Home / 42,053.38-63,080.28-12,471.46

Finding the Fourth Proportional to 42,053.38, 63,080.28 and 12,471.46

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Solution

The fourth proportional to 42,053.38, 63,080.28 and 12,471.46 is: 18,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053.38 : 63,080.28 = 12,471.46 : x
  2. Step 2: Convert to fraction form
    42,053.38/63,080.28 = 12,471.46/x
  3. Step 3: Cross multiply
    42,053.38x = 63,080.28 × 12,471.46
  4. Step 4: Simplify right side
    42,053.38x = 786,703,188.81
  5. Step 5: Solve for x
    x = 786,703,188.81/42,053.38
  6. Step 6: Final answer
    x = 18,707.25

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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.