Home / 54,186.29-74,774.17-29,986.19

Finding the Fourth Proportional to 54,186.29, 74,774.17 and 29,986.19

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Solution

The fourth proportional to 54,186.29, 74,774.17 and 29,986.19 is: 41,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.29 : 74,774.17 = 29,986.19 : x
  2. Step 2: Convert to fraction form
    54,186.29/74,774.17 = 29,986.19/x
  3. Step 3: Cross multiply
    54,186.29x = 74,774.17 × 29,986.19
  4. Step 4: Simplify right side
    54,186.29x = 2,242,192,468.71
  5. Step 5: Solve for x
    x = 2,242,192,468.71/54,186.29
  6. Step 6: Final answer
    x = 41,379.33

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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.