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Finding the Fourth Proportional to 63,777.16, 88,011.12 and 36,920.80

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Solution

The fourth proportional to 63,777.16, 88,011.12 and 36,920.80 is: 50,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,777.16 : 88,011.12 = 36,920.80 : x
  2. Step 2: Convert to fraction form
    63,777.16/88,011.12 = 36,920.80/x
  3. Step 3: Cross multiply
    63,777.16x = 88,011.12 × 36,920.80
  4. Step 4: Simplify right side
    63,777.16x = 3,249,440,959.30
  5. Step 5: Solve for x
    x = 3,249,440,959.30/63,777.16
  6. Step 6: Final answer
    x = 50,949.92

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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.