Home / 73,026.56-109,545.28-20,435.36

Finding the Fourth Proportional to 73,026.56, 109,545.28 and 20,435.36

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Solution

The fourth proportional to 73,026.56, 109,545.28 and 20,435.36 is: 30,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,026.56 : 109,545.28 = 20,435.36 : x
  2. Step 2: Convert to fraction form
    73,026.56/109,545.28 = 20,435.36/x
  3. Step 3: Cross multiply
    73,026.56x = 109,545.28 × 20,435.36
  4. Step 4: Simplify right side
    73,026.56x = 2,238,597,233.10
  5. Step 5: Solve for x
    x = 2,238,597,233.10/73,026.56
  6. Step 6: Final answer
    x = 30,654.56

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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.