Home / 40,402.72-60,613.26-12,325.29

Finding the Fourth Proportional to 40,402.72, 60,613.26 and 12,325.29

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Solution

The fourth proportional to 40,402.72, 60,613.26 and 12,325.29 is: 18,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.72 : 60,613.26 = 12,325.29 : x
  2. Step 2: Convert to fraction form
    40,402.72/60,613.26 = 12,325.29/x
  3. Step 3: Cross multiply
    40,402.72x = 60,613.26 × 12,325.29
  4. Step 4: Simplify right side
    40,402.72x = 747,075,704.28
  5. Step 5: Solve for x
    x = 747,075,704.28/40,402.72
  6. Step 6: Final answer
    x = 18,490.73

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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.