Home / 66,319.54-99,419.31-24,189.75

Finding the Fourth Proportional to 66,319.54, 99,419.31 and 24,189.75

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Solution

The fourth proportional to 66,319.54, 99,419.31 and 24,189.75 is: 36,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.54 : 99,419.31 = 24,189.75 : x
  2. Step 2: Convert to fraction form
    66,319.54/99,419.31 = 24,189.75/x
  3. Step 3: Cross multiply
    66,319.54x = 99,419.31 × 24,189.75
  4. Step 4: Simplify right side
    66,319.54x = 2,404,928,133.12
  5. Step 5: Solve for x
    x = 2,404,928,133.12/66,319.54
  6. Step 6: Final answer
    x = 36,262.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.