Home / 40,369.18-60,553.76-12,290.84

Finding the Fourth Proportional to 40,369.18, 60,553.76 and 12,290.84

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Solution

The fourth proportional to 40,369.18, 60,553.76 and 12,290.84 is: 18,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.18 : 60,553.76 = 12,290.84 : x
  2. Step 2: Convert to fraction form
    40,369.18/60,553.76 = 12,290.84/x
  3. Step 3: Cross multiply
    40,369.18x = 60,553.76 × 12,290.84
  4. Step 4: Simplify right side
    40,369.18x = 744,256,575.56
  5. Step 5: Solve for x
    x = 744,256,575.56/40,369.18
  6. Step 6: Final answer
    x = 18,436.26

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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.