Home / 54,186.79-74,774.86-29,986.69

Finding the Fourth Proportional to 54,186.79, 74,774.86 and 29,986.69

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Solution

The fourth proportional to 54,186.79, 74,774.86 and 29,986.69 is: 41,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.79 : 74,774.86 = 29,986.69 : x
  2. Step 2: Convert to fraction form
    54,186.79/74,774.86 = 29,986.69/x
  3. Step 3: Cross multiply
    54,186.79x = 74,774.86 × 29,986.69
  4. Step 4: Simplify right side
    54,186.79x = 2,242,250,546.61
  5. Step 5: Solve for x
    x = 2,242,250,546.61/54,186.79
  6. Step 6: Final answer
    x = 41,380.02

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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.