Home / 42,002.40-63,003.60-38,794.80

Finding the Fourth Proportional to 42,002.40, 63,003.60 and 38,794.80

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Solution

The fourth proportional to 42,002.40, 63,003.60 and 38,794.80 is: 58,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.40 : 63,003.60 = 38,794.80 : x
  2. Step 2: Convert to fraction form
    42,002.40/63,003.60 = 38,794.80/x
  3. Step 3: Cross multiply
    42,002.40x = 63,003.60 × 38,794.80
  4. Step 4: Simplify right side
    42,002.40x = 2,444,212,061.28
  5. Step 5: Solve for x
    x = 2,444,212,061.28/42,002.40
  6. Step 6: Final answer
    x = 58,192.20

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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.