Home / 51,545.77-71,121.24-30,326.40

Finding the Fourth Proportional to 51,545.77, 71,121.24 and 30,326.40

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Solution

The fourth proportional to 51,545.77, 71,121.24 and 30,326.40 is: 41,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,545.77 : 71,121.24 = 30,326.40 : x
  2. Step 2: Convert to fraction form
    51,545.77/71,121.24 = 30,326.40/x
  3. Step 3: Cross multiply
    51,545.77x = 71,121.24 × 30,326.40
  4. Step 4: Simplify right side
    51,545.77x = 2,156,851,172.74
  5. Step 5: Solve for x
    x = 2,156,851,172.74/51,545.77
  6. Step 6: Final answer
    x = 41,843.42

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1.5x scale

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.