Home / 42,002.20-62,996.10-15,693.40

Finding the Fourth Proportional to 42,002.20, 62,996.10 and 15,693.40

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Solution

The fourth proportional to 42,002.20, 62,996.10 and 15,693.40 is: 23,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.20 : 62,996.10 = 15,693.40 : x
  2. Step 2: Convert to fraction form
    42,002.20/62,996.10 = 15,693.40/x
  3. Step 3: Cross multiply
    42,002.20x = 62,996.10 × 15,693.40
  4. Step 4: Simplify right side
    42,002.20x = 988,622,995.74
  5. Step 5: Solve for x
    x = 988,622,995.74/42,002.20
  6. Step 6: Final answer
    x = 23,537.41

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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.