Home / 40,264.56-60,403.32-13,613.13

Finding the Fourth Proportional to 40,264.56, 60,403.32 and 13,613.13

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Solution

The fourth proportional to 40,264.56, 60,403.32 and 13,613.13 is: 20,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,264.56 : 60,403.32 = 13,613.13 : x
  2. Step 2: Convert to fraction form
    40,264.56/60,403.32 = 13,613.13/x
  3. Step 3: Cross multiply
    40,264.56x = 60,403.32 × 13,613.13
  4. Step 4: Simplify right side
    40,264.56x = 822,278,247.59
  5. Step 5: Solve for x
    x = 822,278,247.59/40,264.56
  6. Step 6: Final answer
    x = 20,421.89

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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.