Home / 40,425.60-55,780.68-22,516.56

Finding the Fourth Proportional to 40,425.60, 55,780.68 and 22,516.56

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Solution

The fourth proportional to 40,425.60, 55,780.68 and 22,516.56 is: 31,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.60 : 55,780.68 = 22,516.56 : x
  2. Step 2: Convert to fraction form
    40,425.60/55,780.68 = 22,516.56/x
  3. Step 3: Cross multiply
    40,425.60x = 55,780.68 × 22,516.56
  4. Step 4: Simplify right side
    40,425.60x = 1,255,989,028.06
  5. Step 5: Solve for x
    x = 1,255,989,028.06/40,425.60
  6. Step 6: Final answer
    x = 31,069.15

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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.