Home / 40,385.30-55,730.47-22,479.85

Finding the Fourth Proportional to 40,385.30, 55,730.47 and 22,479.85

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Solution

The fourth proportional to 40,385.30, 55,730.47 and 22,479.85 is: 31,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.30 : 55,730.47 = 22,479.85 : x
  2. Step 2: Convert to fraction form
    40,385.30/55,730.47 = 22,479.85/x
  3. Step 3: Cross multiply
    40,385.30x = 55,730.47 × 22,479.85
  4. Step 4: Simplify right side
    40,385.30x = 1,252,812,327.38
  5. Step 5: Solve for x
    x = 1,252,812,327.38/40,385.30
  6. Step 6: Final answer
    x = 31,021.49

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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.