Home / 54,119.80-74,685.59-30,246.87

Finding the Fourth Proportional to 54,119.80, 74,685.59 and 30,246.87

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Solution

The fourth proportional to 54,119.80, 74,685.59 and 30,246.87 is: 41,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.80 : 74,685.59 = 30,246.87 : x
  2. Step 2: Convert to fraction form
    54,119.80/74,685.59 = 30,246.87/x
  3. Step 3: Cross multiply
    54,119.80x = 74,685.59 × 30,246.87
  4. Step 4: Simplify right side
    54,119.80x = 2,259,005,323.90
  5. Step 5: Solve for x
    x = 2,259,005,323.90/54,119.80
  6. Step 6: Final answer
    x = 41,740.83

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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.