Home / 42,058.92-63,078.65-12,469.62

Finding the Fourth Proportional to 42,058.92, 63,078.65 and 12,469.62

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Solution

The fourth proportional to 42,058.92, 63,078.65 and 12,469.62 is: 18,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,058.92 : 63,078.65 = 12,469.62 : x
  2. Step 2: Convert to fraction form
    42,058.92/63,078.65 = 12,469.62/x
  3. Step 3: Cross multiply
    42,058.92x = 63,078.65 × 12,469.62
  4. Step 4: Simplify right side
    42,058.92x = 786,566,543.48
  5. Step 5: Solve for x
    x = 786,566,543.48/42,058.92
  6. Step 6: Final answer
    x = 18,701.54

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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.