Home / 62,938.97-94,385.98-20,811.28

Finding the Fourth Proportional to 62,938.97, 94,385.98 and 20,811.28

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Solution

The fourth proportional to 62,938.97, 94,385.98 and 20,811.28 is: 31,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938.97 : 94,385.98 = 20,811.28 : x
  2. Step 2: Convert to fraction form
    62,938.97/94,385.98 = 20,811.28/x
  3. Step 3: Cross multiply
    62,938.97x = 94,385.98 × 20,811.28
  4. Step 4: Simplify right side
    62,938.97x = 1,964,292,907.81
  5. Step 5: Solve for x
    x = 1,964,292,907.81/62,938.97
  6. Step 6: Final answer
    x = 31,209.48

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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.