Home / 52,279.90-72,146.57-28,406.57

Finding the Fourth Proportional to 52,279.90, 72,146.57 and 28,406.57

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Solution

The fourth proportional to 52,279.90, 72,146.57 and 28,406.57 is: 39,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.90 : 72,146.57 = 28,406.57 : x
  2. Step 2: Convert to fraction form
    52,279.90/72,146.57 = 28,406.57/x
  3. Step 3: Cross multiply
    52,279.90x = 72,146.57 × 28,406.57
  4. Step 4: Simplify right side
    52,279.90x = 2,049,436,088.20
  5. Step 5: Solve for x
    x = 2,049,436,088.20/52,279.90
  6. Step 6: Final answer
    x = 39,201.23

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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.