Home / 45,254.12-67,854.72-13,654.70

Finding the Fourth Proportional to 45,254.12, 67,854.72 and 13,654.70

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Solution

The fourth proportional to 45,254.12, 67,854.72 and 13,654.70 is: 20,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,254.12 : 67,854.72 = 13,654.70 : x
  2. Step 2: Convert to fraction form
    45,254.12/67,854.72 = 13,654.70/x
  3. Step 3: Cross multiply
    45,254.12x = 67,854.72 × 13,654.70
  4. Step 4: Simplify right side
    45,254.12x = 926,535,845.18
  5. Step 5: Solve for x
    x = 926,535,845.18/45,254.12
  6. Step 6: Final answer
    x = 20,474.07

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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.