Home / 40,786.76-61,143.90-14,488.04

Finding the Fourth Proportional to 40,786.76, 61,143.90 and 14,488.04

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Solution

The fourth proportional to 40,786.76, 61,143.90 and 14,488.04 is: 21,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.76 : 61,143.90 = 14,488.04 : x
  2. Step 2: Convert to fraction form
    40,786.76/61,143.90 = 14,488.04/x
  3. Step 3: Cross multiply
    40,786.76x = 61,143.90 × 14,488.04
  4. Step 4: Simplify right side
    40,786.76x = 885,855,268.96
  5. Step 5: Solve for x
    x = 885,855,268.96/40,786.76
  6. Step 6: Final answer
    x = 21,719.19

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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.