Home / 39,056.27-53,897.70-21,151.31

Finding the Fourth Proportional to 39,056.27, 53,897.70 and 21,151.31

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Solution

The fourth proportional to 39,056.27, 53,897.70 and 21,151.31 is: 29,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056.27 : 53,897.70 = 21,151.31 : x
  2. Step 2: Convert to fraction form
    39,056.27/53,897.70 = 21,151.31/x
  3. Step 3: Cross multiply
    39,056.27x = 53,897.70 × 21,151.31
  4. Step 4: Simplify right side
    39,056.27x = 1,140,006,691.50
  5. Step 5: Solve for x
    x = 1,140,006,691.50/39,056.27
  6. Step 6: Final answer
    x = 29,188.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.