Home / 51,838.86-77,761.79-17,630.71

Finding the Fourth Proportional to 51,838.86, 77,761.79 and 17,630.71

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Solution

The fourth proportional to 51,838.86, 77,761.79 and 17,630.71 is: 26,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.86 : 77,761.79 = 17,630.71 : x
  2. Step 2: Convert to fraction form
    51,838.86/77,761.79 = 17,630.71/x
  3. Step 3: Cross multiply
    51,838.86x = 77,761.79 × 17,630.71
  4. Step 4: Simplify right side
    51,838.86x = 1,370,995,179.76
  5. Step 5: Solve for x
    x = 1,370,995,179.76/51,838.86
  6. Step 6: Final answer
    x = 26,447.25

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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.