Home / 54,957.33-82,444.19-19,888.79

Finding the Fourth Proportional to 54,957.33, 82,444.19 and 19,888.79

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Solution

The fourth proportional to 54,957.33, 82,444.19 and 19,888.79 is: 29,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957.33 : 82,444.19 = 19,888.79 : x
  2. Step 2: Convert to fraction form
    54,957.33/82,444.19 = 19,888.79/x
  3. Step 3: Cross multiply
    54,957.33x = 82,444.19 × 19,888.79
  4. Step 4: Simplify right side
    54,957.33x = 1,639,714,819.13
  5. Step 5: Solve for x
    x = 1,639,714,819.13/54,957.33
  6. Step 6: Final answer
    x = 29,836.14

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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.