Home / 63,920.13-88,209.86-38,426.77

Finding the Fourth Proportional to 63,920.13, 88,209.86 and 38,426.77

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Solution

The fourth proportional to 63,920.13, 88,209.86 and 38,426.77 is: 53,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,920.13 : 88,209.86 = 38,426.77 : x
  2. Step 2: Convert to fraction form
    63,920.13/88,209.86 = 38,426.77/x
  3. Step 3: Cross multiply
    63,920.13x = 88,209.86 × 38,426.77
  4. Step 4: Simplify right side
    63,920.13x = 3,389,620,001.95
  5. Step 5: Solve for x
    x = 3,389,620,001.95/63,920.13
  6. Step 6: Final answer
    x = 53,028.99

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1.5x scale

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.