Home / 62,939.60-94,386.91-20,811.91

Finding the Fourth Proportional to 62,939.60, 94,386.91 and 20,811.91

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Solution

The fourth proportional to 62,939.60, 94,386.91 and 20,811.91 is: 31,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.60 : 94,386.91 = 20,811.91 : x
  2. Step 2: Convert to fraction form
    62,939.60/94,386.91 = 20,811.91/x
  3. Step 3: Cross multiply
    62,939.60x = 94,386.91 × 20,811.91
  4. Step 4: Simplify right side
    62,939.60x = 1,964,371,876.10
  5. Step 5: Solve for x
    x = 1,964,371,876.10/62,939.60
  6. Step 6: Final answer
    x = 31,210.43

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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.