Home / 51,620-77,377.71-34,981.72

Finding the Fourth Proportional to 51,620, 77,377.71 and 34,981.72

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Solution

The fourth proportional to 51,620, 77,377.71 and 34,981.72 is: 52,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620 : 77,377.71 = 34,981.72 : x
  2. Step 2: Convert to fraction form
    51,620/77,377.71 = 34,981.72/x
  3. Step 3: Cross multiply
    51,620x = 77,377.71 × 34,981.72
  4. Step 4: Simplify right side
    51,620x = 2,706,805,385.46
  5. Step 5: Solve for x
    x = 2,706,805,385.46/51,620
  6. Step 6: Final answer
    x = 52,437.14

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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.