Home / 72,687.34-109,031.01-22,767.85

Finding the Fourth Proportional to 72,687.34, 109,031.01 and 22,767.85

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Solution

The fourth proportional to 72,687.34, 109,031.01 and 22,767.85 is: 34,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,687.34 : 109,031.01 = 22,767.85 : x
  2. Step 2: Convert to fraction form
    72,687.34/109,031.01 = 22,767.85/x
  3. Step 3: Cross multiply
    72,687.34x = 109,031.01 × 22,767.85
  4. Step 4: Simplify right side
    72,687.34x = 2,482,401,681.03
  5. Step 5: Solve for x
    x = 2,482,401,681.03/72,687.34
  6. Step 6: Final answer
    x = 34,151.78

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1.5x scale

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.