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Finding the Fourth Proportional to 40,759.71, 61,127.67 and 15,794.19

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Solution

The fourth proportional to 40,759.71, 61,127.67 and 15,794.19 is: 23,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,759.71 : 61,127.67 = 15,794.19 : x
  2. Step 2: Convert to fraction form
    40,759.71/61,127.67 = 15,794.19/x
  3. Step 3: Cross multiply
    40,759.71x = 61,127.67 × 15,794.19
  4. Step 4: Simplify right side
    40,759.71x = 965,462,034.24
  5. Step 5: Solve for x
    x = 965,462,034.24/40,759.71
  6. Step 6: Final answer
    x = 23,686.68

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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.