Home / 54,260.24-74,870.40-30,387.92

Finding the Fourth Proportional to 54,260.24, 74,870.40 and 30,387.92

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Solution

The fourth proportional to 54,260.24, 74,870.40 and 30,387.92 is: 41,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,260.24 : 74,870.40 = 30,387.92 : x
  2. Step 2: Convert to fraction form
    54,260.24/74,870.40 = 30,387.92/x
  3. Step 3: Cross multiply
    54,260.24x = 74,870.40 × 30,387.92
  4. Step 4: Simplify right side
    54,260.24x = 2,275,155,725.57
  5. Step 5: Solve for x
    x = 2,275,155,725.57/54,260.24
  6. Step 6: Final answer
    x = 41,930.44

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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.