Home / 40,781.24-61,169.42-12,697.34

Finding the Fourth Proportional to 40,781.24, 61,169.42 and 12,697.34

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Solution

The fourth proportional to 40,781.24, 61,169.42 and 12,697.34 is: 19,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.24 : 61,169.42 = 12,697.34 : x
  2. Step 2: Convert to fraction form
    40,781.24/61,169.42 = 12,697.34/x
  3. Step 3: Cross multiply
    40,781.24x = 61,169.42 × 12,697.34
  4. Step 4: Simplify right side
    40,781.24x = 776,688,921.89
  5. Step 5: Solve for x
    x = 776,688,921.89/40,781.24
  6. Step 6: Final answer
    x = 19,045.25

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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.