Home / 34,539.33-47,666.04-20,391.87

Finding the Fourth Proportional to 34,539.33, 47,666.04 and 20,391.87

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Solution

The fourth proportional to 34,539.33, 47,666.04 and 20,391.87 is: 28,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.33 : 47,666.04 = 20,391.87 : x
  2. Step 2: Convert to fraction form
    34,539.33/47,666.04 = 20,391.87/x
  3. Step 3: Cross multiply
    34,539.33x = 47,666.04 × 20,391.87
  4. Step 4: Simplify right side
    34,539.33x = 971,999,691.09
  5. Step 5: Solve for x
    x = 971,999,691.09/34,539.33
  6. Step 6: Final answer
    x = 28,141.82

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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.