Home / 39,235.95-54,157.34-25,817.55

Finding the Fourth Proportional to 39,235.95, 54,157.34 and 25,817.55

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Solution

The fourth proportional to 39,235.95, 54,157.34 and 25,817.55 is: 35,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.95 : 54,157.34 = 25,817.55 : x
  2. Step 2: Convert to fraction form
    39,235.95/54,157.34 = 25,817.55/x
  3. Step 3: Cross multiply
    39,235.95x = 54,157.34 × 25,817.55
  4. Step 4: Simplify right side
    39,235.95x = 1,398,209,704.23
  5. Step 5: Solve for x
    x = 1,398,209,704.23/39,235.95
  6. Step 6: Final answer
    x = 35,635.93

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.