Home / 52,121.61-71,927.19-28,247.94

Finding the Fourth Proportional to 52,121.61, 71,927.19 and 28,247.94

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Solution

The fourth proportional to 52,121.61, 71,927.19 and 28,247.94 is: 38,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.61 : 71,927.19 = 28,247.94 : x
  2. Step 2: Convert to fraction form
    52,121.61/71,927.19 = 28,247.94/x
  3. Step 3: Cross multiply
    52,121.61x = 71,927.19 × 28,247.94
  4. Step 4: Simplify right side
    52,121.61x = 2,031,794,947.49
  5. Step 5: Solve for x
    x = 2,031,794,947.49/52,121.61
  6. Step 6: Final answer
    x = 38,981.81

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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.