Home / 38,810.40-58,129.20-29,997.60

Finding the Fourth Proportional to 38,810.40, 58,129.20 and 29,997.60

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Solution

The fourth proportional to 38,810.40, 58,129.20 and 29,997.60 is: 44,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.40 : 58,129.20 = 29,997.60 : x
  2. Step 2: Convert to fraction form
    38,810.40/58,129.20 = 29,997.60/x
  3. Step 3: Cross multiply
    38,810.40x = 58,129.20 × 29,997.60
  4. Step 4: Simplify right side
    38,810.40x = 1,743,736,489.92
  5. Step 5: Solve for x
    x = 1,743,736,489.92/38,810.40
  6. Step 6: Final answer
    x = 44,929.62

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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.