Home / 40,008.78-55,214.52-22,104.18

Finding the Fourth Proportional to 40,008.78, 55,214.52 and 22,104.18

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Solution

The fourth proportional to 40,008.78, 55,214.52 and 22,104.18 is: 30,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.78 : 55,214.52 = 22,104.18 : x
  2. Step 2: Convert to fraction form
    40,008.78/55,214.52 = 22,104.18/x
  3. Step 3: Cross multiply
    40,008.78x = 55,214.52 × 22,104.18
  4. Step 4: Simplify right side
    40,008.78x = 1,220,471,688.69
  5. Step 5: Solve for x
    x = 1,220,471,688.69/40,008.78
  6. Step 6: Final answer
    x = 30,505.10

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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.