Home / 55,444.08-83,166.24-13,891.20

Finding the Fourth Proportional to 55,444.08, 83,166.24 and 13,891.20

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Solution

The fourth proportional to 55,444.08, 83,166.24 and 13,891.20 is: 20,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,444.08 : 83,166.24 = 13,891.20 : x
  2. Step 2: Convert to fraction form
    55,444.08/83,166.24 = 13,891.20/x
  3. Step 3: Cross multiply
    55,444.08x = 83,166.24 × 13,891.20
  4. Step 4: Simplify right side
    55,444.08x = 1,155,278,873.09
  5. Step 5: Solve for x
    x = 1,155,278,873.09/55,444.08
  6. Step 6: Final answer
    x = 20,836.83

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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.