Home / 40,679.10-61,028.01-18,498.87

Finding the Fourth Proportional to 40,679.10, 61,028.01 and 18,498.87

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Solution

The fourth proportional to 40,679.10, 61,028.01 and 18,498.87 is: 27,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679.10 : 61,028.01 = 18,498.87 : x
  2. Step 2: Convert to fraction form
    40,679.10/61,028.01 = 18,498.87/x
  3. Step 3: Cross multiply
    40,679.10x = 61,028.01 × 18,498.87
  4. Step 4: Simplify right side
    40,679.10x = 1,128,949,223.35
  5. Step 5: Solve for x
    x = 1,128,949,223.35/40,679.10
  6. Step 6: Final answer
    x = 27,752.56

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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.