Home / 52,279.65-72,146.99-28,407.87

Finding the Fourth Proportional to 52,279.65, 72,146.99 and 28,407.87

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Solution

The fourth proportional to 52,279.65, 72,146.99 and 28,407.87 is: 39,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.65 : 72,146.99 = 28,407.87 : x
  2. Step 2: Convert to fraction form
    52,279.65/72,146.99 = 28,407.87/x
  3. Step 3: Cross multiply
    52,279.65x = 72,146.99 × 28,407.87
  4. Step 4: Simplify right side
    52,279.65x = 2,049,542,170.77
  5. Step 5: Solve for x
    x = 2,049,542,170.77/52,279.65
  6. Step 6: Final answer
    x = 39,203.44

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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.