Home / 54,259.36-74,879.84-30,387.04

Finding the Fourth Proportional to 54,259.36, 74,879.84 and 30,387.04

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Solution

The fourth proportional to 54,259.36, 74,879.84 and 30,387.04 is: 41,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.36 : 74,879.84 = 30,387.04 : x
  2. Step 2: Convert to fraction form
    54,259.36/74,879.84 = 30,387.04/x
  3. Step 3: Cross multiply
    54,259.36x = 74,879.84 × 30,387.04
  4. Step 4: Simplify right side
    54,259.36x = 2,275,376,693.27
  5. Step 5: Solve for x
    x = 2,275,376,693.27/54,259.36
  6. Step 6: Final answer
    x = 41,935.19

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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.