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Finding the Fourth Proportional to 62,129.60, 93,280.80 and 38,801.60

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Solution

The fourth proportional to 62,129.60, 93,280.80 and 38,801.60 is: 58,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,129.60 : 93,280.80 = 38,801.60 : x
  2. Step 2: Convert to fraction form
    62,129.60/93,280.80 = 38,801.60/x
  3. Step 3: Cross multiply
    62,129.60x = 93,280.80 × 38,801.60
  4. Step 4: Simplify right side
    62,129.60x = 3,619,444,289.28
  5. Step 5: Solve for x
    x = 3,619,444,289.28/62,129.60
  6. Step 6: Final answer
    x = 58,256.36

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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.