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Finding the Fourth Proportional to 29,430.60, 44,147.28 and 9,710.88

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Solution

The fourth proportional to 29,430.60, 44,147.28 and 9,710.88 is: 14,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.60 : 44,147.28 = 9,710.88 : x
  2. Step 2: Convert to fraction form
    29,430.60/44,147.28 = 9,710.88/x
  3. Step 3: Cross multiply
    29,430.60x = 44,147.28 × 9,710.88
  4. Step 4: Simplify right side
    29,430.60x = 428,708,938.41
  5. Step 5: Solve for x
    x = 428,708,938.41/29,430.60
  6. Step 6: Final answer
    x = 14,566.78

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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.