Home / 42,031.92-63,057.11-12,452.07

Finding the Fourth Proportional to 42,031.92, 63,057.11 and 12,452.07

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Solution

The fourth proportional to 42,031.92, 63,057.11 and 12,452.07 is: 18,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,031.92 : 63,057.11 = 12,452.07 : x
  2. Step 2: Convert to fraction form
    42,031.92/63,057.11 = 12,452.07/x
  3. Step 3: Cross multiply
    42,031.92x = 63,057.11 × 12,452.07
  4. Step 4: Simplify right side
    42,031.92x = 785,191,485.46
  5. Step 5: Solve for x
    x = 785,191,485.46/42,031.92
  6. Step 6: Final answer
    x = 18,680.84

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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.