Home / 52,279.44-72,145.92-28,406.31

Finding the Fourth Proportional to 52,279.44, 72,145.92 and 28,406.31

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Solution

The fourth proportional to 52,279.44, 72,145.92 and 28,406.31 is: 39,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.44 : 72,145.92 = 28,406.31 : x
  2. Step 2: Convert to fraction form
    52,279.44/72,145.92 = 28,406.31/x
  3. Step 3: Cross multiply
    52,279.44x = 72,145.92 × 28,406.31
  4. Step 4: Simplify right side
    52,279.44x = 2,049,399,368.76
  5. Step 5: Solve for x
    x = 2,049,399,368.76/52,279.44
  6. Step 6: Final answer
    x = 39,200.87

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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.