Home / 54,218.16-74,820.98-30,349.42

Finding the Fourth Proportional to 54,218.16, 74,820.98 and 30,349.42

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Solution

The fourth proportional to 54,218.16, 74,820.98 and 30,349.42 is: 41,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.16 : 74,820.98 = 30,349.42 : x
  2. Step 2: Convert to fraction form
    54,218.16/74,820.98 = 30,349.42/x
  3. Step 3: Cross multiply
    54,218.16x = 74,820.98 × 30,349.42
  4. Step 4: Simplify right side
    54,218.16x = 2,270,773,235.65
  5. Step 5: Solve for x
    x = 2,270,773,235.65/54,218.16
  6. Step 6: Final answer
    x = 41,882.15

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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.