Home / 51,862.60-71,571.30-30,641.82

Finding the Fourth Proportional to 51,862.60, 71,571.30 and 30,641.82

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Solution

The fourth proportional to 51,862.60, 71,571.30 and 30,641.82 is: 42,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.60 : 71,571.30 = 30,641.82 : x
  2. Step 2: Convert to fraction form
    51,862.60/71,571.30 = 30,641.82/x
  3. Step 3: Cross multiply
    51,862.60x = 71,571.30 × 30,641.82
  4. Step 4: Simplify right side
    51,862.60x = 2,193,074,891.77
  5. Step 5: Solve for x
    x = 2,193,074,891.77/51,862.60
  6. Step 6: Final answer
    x = 42,286.25

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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.