Home / 40,381.22-60,573.88-15,423.45

Finding the Fourth Proportional to 40,381.22, 60,573.88 and 15,423.45

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Solution

The fourth proportional to 40,381.22, 60,573.88 and 15,423.45 is: 23,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.22 : 60,573.88 = 15,423.45 : x
  2. Step 2: Convert to fraction form
    40,381.22/60,573.88 = 15,423.45/x
  3. Step 3: Cross multiply
    40,381.22x = 60,573.88 × 15,423.45
  4. Step 4: Simplify right side
    40,381.22x = 934,258,209.49
  5. Step 5: Solve for x
    x = 934,258,209.49/40,381.22
  6. Step 6: Final answer
    x = 23,135.96

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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.