Home / 38,452.50-57,678.39-12,157.24

Finding the Fourth Proportional to 38,452.50, 57,678.39 and 12,157.24

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Solution

The fourth proportional to 38,452.50, 57,678.39 and 12,157.24 is: 18,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.50 : 57,678.39 = 12,157.24 : x
  2. Step 2: Convert to fraction form
    38,452.50/57,678.39 = 12,157.24/x
  3. Step 3: Cross multiply
    38,452.50x = 57,678.39 × 12,157.24
  4. Step 4: Simplify right side
    38,452.50x = 701,210,030.04
  5. Step 5: Solve for x
    x = 701,210,030.04/38,452.50
  6. Step 6: Final answer
    x = 18,235.75

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Half scale
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Double scale
Find fourth proportional to 38,453.50, 57,679.89 and 12,158.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.