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Finding the Fourth Proportional to 74,838.60, 112,233.60 and 24,910.20

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Solution

The fourth proportional to 74,838.60, 112,233.60 and 24,910.20 is: 37,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.60 : 112,233.60 = 24,910.20 : x
  2. Step 2: Convert to fraction form
    74,838.60/112,233.60 = 24,910.20/x
  3. Step 3: Cross multiply
    74,838.60x = 112,233.60 × 24,910.20
  4. Step 4: Simplify right side
    74,838.60x = 2,795,761,422.72
  5. Step 5: Solve for x
    x = 2,795,761,422.72/74,838.60
  6. Step 6: Final answer
    x = 37,357.21

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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.