Home / 40,781.40-61,130.79-27,635.10

Finding the Fourth Proportional to 40,781.40, 61,130.79 and 27,635.10

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Solution

The fourth proportional to 40,781.40, 61,130.79 and 27,635.10 is: 41,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.40 : 61,130.79 = 27,635.10 : x
  2. Step 2: Convert to fraction form
    40,781.40/61,130.79 = 27,635.10/x
  3. Step 3: Cross multiply
    40,781.40x = 61,130.79 × 27,635.10
  4. Step 4: Simplify right side
    40,781.40x = 1,689,355,494.73
  5. Step 5: Solve for x
    x = 1,689,355,494.73/40,781.40
  6. Step 6: Final answer
    x = 41,424.66

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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.