Home / 40,057.64-60,044.06-13,396.90

Finding the Fourth Proportional to 40,057.64, 60,044.06 and 13,396.90

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Solution

The fourth proportional to 40,057.64, 60,044.06 and 13,396.90 is: 20,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.64 : 60,044.06 = 13,396.90 : x
  2. Step 2: Convert to fraction form
    40,057.64/60,044.06 = 13,396.90/x
  3. Step 3: Cross multiply
    40,057.64x = 60,044.06 × 13,396.90
  4. Step 4: Simplify right side
    40,057.64x = 804,404,267.41
  5. Step 5: Solve for x
    x = 804,404,267.41/40,057.64
  6. Step 6: Final answer
    x = 20,081.17

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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.