Home / 40,953.12-61,393.11-15,987.36

Finding the Fourth Proportional to 40,953.12, 61,393.11 and 15,987.36

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Solution

The fourth proportional to 40,953.12, 61,393.11 and 15,987.36 is: 23,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,953.12 : 61,393.11 = 15,987.36 : x
  2. Step 2: Convert to fraction form
    40,953.12/61,393.11 = 15,987.36/x
  3. Step 3: Cross multiply
    40,953.12x = 61,393.11 × 15,987.36
  4. Step 4: Simplify right side
    40,953.12x = 981,513,751.09
  5. Step 5: Solve for x
    x = 981,513,751.09/40,953.12
  6. Step 6: Final answer
    x = 23,966.76

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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.