Home / 42,513.30-63,767.49-16,220.70

Finding the Fourth Proportional to 42,513.30, 63,767.49 and 16,220.70

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Solution

The fourth proportional to 42,513.30, 63,767.49 and 16,220.70 is: 24,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.30 : 63,767.49 = 16,220.70 : x
  2. Step 2: Convert to fraction form
    42,513.30/63,767.49 = 16,220.70/x
  3. Step 3: Cross multiply
    42,513.30x = 63,767.49 × 16,220.70
  4. Step 4: Simplify right side
    42,513.30x = 1,034,353,325.04
  5. Step 5: Solve for x
    x = 1,034,353,325.04/42,513.30
  6. Step 6: Final answer
    x = 24,330.11

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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.