Home / 51,282.74-76,721.81-38,838.71

Finding the Fourth Proportional to 51,282.74, 76,721.81 and 38,838.71

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Solution

The fourth proportional to 51,282.74, 76,721.81 and 38,838.71 is: 58,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282.74 : 76,721.81 = 38,838.71 : x
  2. Step 2: Convert to fraction form
    51,282.74/76,721.81 = 38,838.71/x
  3. Step 3: Cross multiply
    51,282.74x = 76,721.81 × 38,838.71
  4. Step 4: Simplify right side
    51,282.74x = 2,979,775,551.46
  5. Step 5: Solve for x
    x = 2,979,775,551.46/51,282.74
  6. Step 6: Final answer
    x = 58,104.85

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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.