Home / 40,008.71-55,209.51-22,102.85

Finding the Fourth Proportional to 40,008.71, 55,209.51 and 22,102.85

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Solution

The fourth proportional to 40,008.71, 55,209.51 and 22,102.85 is: 30,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.71 : 55,209.51 = 22,102.85 : x
  2. Step 2: Convert to fraction form
    40,008.71/55,209.51 = 22,102.85/x
  3. Step 3: Cross multiply
    40,008.71x = 55,209.51 × 22,102.85
  4. Step 4: Simplify right side
    40,008.71x = 1,220,287,518.10
  5. Step 5: Solve for x
    x = 1,220,287,518.10/40,008.71
  6. Step 6: Final answer
    x = 30,500.55

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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.