Home / 61,132.43-91,711.85-19,011.69

Finding the Fourth Proportional to 61,132.43, 91,711.85 and 19,011.69

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Solution

The fourth proportional to 61,132.43, 91,711.85 and 19,011.69 is: 28,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,132.43 : 91,711.85 = 19,011.69 : x
  2. Step 2: Convert to fraction form
    61,132.43/91,711.85 = 19,011.69/x
  3. Step 3: Cross multiply
    61,132.43x = 91,711.85 × 19,011.69
  4. Step 4: Simplify right side
    61,132.43x = 1,743,597,166.47
  5. Step 5: Solve for x
    x = 1,743,597,166.47/61,132.43
  6. Step 6: Final answer
    x = 28,521.64

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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.