Home / 42,086.25-63,122.46-14,002.61

Finding the Fourth Proportional to 42,086.25, 63,122.46 and 14,002.61

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Solution

The fourth proportional to 42,086.25, 63,122.46 and 14,002.61 is: 21,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,086.25 : 63,122.46 = 14,002.61 : x
  2. Step 2: Convert to fraction form
    42,086.25/63,122.46 = 14,002.61/x
  3. Step 3: Cross multiply
    42,086.25x = 63,122.46 × 14,002.61
  4. Step 4: Simplify right side
    42,086.25x = 883,879,117.33
  5. Step 5: Solve for x
    x = 883,879,117.33/42,086.25
  6. Step 6: Final answer
    x = 21,001.61

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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.