Home / 51,862.14-71,569.17-30,640.95

Finding the Fourth Proportional to 51,862.14, 71,569.17 and 30,640.95

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Solution

The fourth proportional to 51,862.14, 71,569.17 and 30,640.95 is: 42,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.14 : 71,569.17 = 30,640.95 : x
  2. Step 2: Convert to fraction form
    51,862.14/71,569.17 = 30,640.95/x
  3. Step 3: Cross multiply
    51,862.14x = 71,569.17 × 30,640.95
  4. Step 4: Simplify right side
    51,862.14x = 2,192,947,359.51
  5. Step 5: Solve for x
    x = 2,192,947,359.51/51,862.14
  6. Step 6: Final answer
    x = 42,284.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.