Home / 48,301.20-72,516.60-30,805.20

Finding the Fourth Proportional to 48,301.20, 72,516.60 and 30,805.20

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Solution

The fourth proportional to 48,301.20, 72,516.60 and 30,805.20 is: 46,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301.20 : 72,516.60 = 30,805.20 : x
  2. Step 2: Convert to fraction form
    48,301.20/72,516.60 = 30,805.20/x
  3. Step 3: Cross multiply
    48,301.20x = 72,516.60 × 30,805.20
  4. Step 4: Simplify right side
    48,301.20x = 2,233,888,366.32
  5. Step 5: Solve for x
    x = 2,233,888,366.32/48,301.20
  6. Step 6: Final answer
    x = 46,249.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.