Home / 54,979.14-82,485.12-38,999.46

Finding the Fourth Proportional to 54,979.14, 82,485.12 and 38,999.46

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Solution

The fourth proportional to 54,979.14, 82,485.12 and 38,999.46 is: 58,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.14 : 82,485.12 = 38,999.46 : x
  2. Step 2: Convert to fraction form
    54,979.14/82,485.12 = 38,999.46/x
  3. Step 3: Cross multiply
    54,979.14x = 82,485.12 × 38,999.46
  4. Step 4: Simplify right side
    54,979.14x = 3,216,875,138.04
  5. Step 5: Solve for x
    x = 3,216,875,138.04/54,979.14
  6. Step 6: Final answer
    x = 58,510.83

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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.