Home / 38,917.55-58,349.65-13,957.06

Finding the Fourth Proportional to 38,917.55, 58,349.65 and 13,957.06

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Solution

The fourth proportional to 38,917.55, 58,349.65 and 13,957.06 is: 20,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.55 : 58,349.65 = 13,957.06 : x
  2. Step 2: Convert to fraction form
    38,917.55/58,349.65 = 13,957.06/x
  3. Step 3: Cross multiply
    38,917.55x = 58,349.65 × 13,957.06
  4. Step 4: Simplify right side
    38,917.55x = 814,389,566.03
  5. Step 5: Solve for x
    x = 814,389,566.03/38,917.55
  6. Step 6: Final answer
    x = 20,926.02

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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.