Home / 40,372.16-60,562.36-15,433.20

Finding the Fourth Proportional to 40,372.16, 60,562.36 and 15,433.20

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Solution

The fourth proportional to 40,372.16, 60,562.36 and 15,433.20 is: 23,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.16 : 60,562.36 = 15,433.20 : x
  2. Step 2: Convert to fraction form
    40,372.16/60,562.36 = 15,433.20/x
  3. Step 3: Cross multiply
    40,372.16x = 60,562.36 × 15,433.20
  4. Step 4: Simplify right side
    40,372.16x = 934,671,014.35
  5. Step 5: Solve for x
    x = 934,671,014.35/40,372.16
  6. Step 6: Final answer
    x = 23,151.37

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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.