Home / 49,687.12-74,521.17-19,292.25

Finding the Fourth Proportional to 49,687.12, 74,521.17 and 19,292.25

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Solution

The fourth proportional to 49,687.12, 74,521.17 and 19,292.25 is: 28,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,687.12 : 74,521.17 = 19,292.25 : x
  2. Step 2: Convert to fraction form
    49,687.12/74,521.17 = 19,292.25/x
  3. Step 3: Cross multiply
    49,687.12x = 74,521.17 × 19,292.25
  4. Step 4: Simplify right side
    49,687.12x = 1,437,681,039.45
  5. Step 5: Solve for x
    x = 1,437,681,039.45/49,687.12
  6. Step 6: Final answer
    x = 28,934.69

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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.