Home / 52,279.14-72,146.29-28,407.36

Finding the Fourth Proportional to 52,279.14, 72,146.29 and 28,407.36

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Solution

The fourth proportional to 52,279.14, 72,146.29 and 28,407.36 is: 39,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.14 : 72,146.29 = 28,407.36 : x
  2. Step 2: Convert to fraction form
    52,279.14/72,146.29 = 28,407.36/x
  3. Step 3: Cross multiply
    52,279.14x = 72,146.29 × 28,407.36
  4. Step 4: Simplify right side
    52,279.14x = 2,049,485,632.69
  5. Step 5: Solve for x
    x = 2,049,485,632.69/52,279.14
  6. Step 6: Final answer
    x = 39,202.74

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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.