Home / 40,415.40-60,634.05-15,442.29

Finding the Fourth Proportional to 40,415.40, 60,634.05 and 15,442.29

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Solution

The fourth proportional to 40,415.40, 60,634.05 and 15,442.29 is: 23,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.40 : 60,634.05 = 15,442.29 : x
  2. Step 2: Convert to fraction form
    40,415.40/60,634.05 = 15,442.29/x
  3. Step 3: Cross multiply
    40,415.40x = 60,634.05 × 15,442.29
  4. Step 4: Simplify right side
    40,415.40x = 936,328,583.97
  5. Step 5: Solve for x
    x = 936,328,583.97/40,415.40
  6. Step 6: Final answer
    x = 23,167.62

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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.