Home / 40,371.85-60,560.51-13,720.52

Finding the Fourth Proportional to 40,371.85, 60,560.51 and 13,720.52

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Solution

The fourth proportional to 40,371.85, 60,560.51 and 13,720.52 is: 20,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,371.85 : 60,560.51 = 13,720.52 : x
  2. Step 2: Convert to fraction form
    40,371.85/60,560.51 = 13,720.52/x
  3. Step 3: Cross multiply
    40,371.85x = 60,560.51 × 13,720.52
  4. Step 4: Simplify right side
    40,371.85x = 830,921,688.67
  5. Step 5: Solve for x
    x = 830,921,688.67/40,371.85
  6. Step 6: Final answer
    x = 20,581.71

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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.