Home / 38,460.16-57,690.72-15,097.60

Finding the Fourth Proportional to 38,460.16, 57,690.72 and 15,097.60

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Solution

The fourth proportional to 38,460.16, 57,690.72 and 15,097.60 is: 22,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,460.16 : 57,690.72 = 15,097.60 : x
  2. Step 2: Convert to fraction form
    38,460.16/57,690.72 = 15,097.60/x
  3. Step 3: Cross multiply
    38,460.16x = 57,690.72 × 15,097.60
  4. Step 4: Simplify right side
    38,460.16x = 870,991,414.27
  5. Step 5: Solve for x
    x = 870,991,414.27/38,460.16
  6. Step 6: Final answer
    x = 22,646.59

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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.