Home / 40,638.41-60,961.71-15,331.57

Finding the Fourth Proportional to 40,638.41, 60,961.71 and 15,331.57

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Solution

The fourth proportional to 40,638.41, 60,961.71 and 15,331.57 is: 22,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.41 : 60,961.71 = 15,331.57 : x
  2. Step 2: Convert to fraction form
    40,638.41/60,961.71 = 15,331.57/x
  3. Step 3: Cross multiply
    40,638.41x = 60,961.71 × 15,331.57
  4. Step 4: Simplify right side
    40,638.41x = 934,638,724.18
  5. Step 5: Solve for x
    x = 934,638,724.18/40,638.41
  6. Step 6: Final answer
    x = 22,998.90

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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.