Home / 45,725.52-68,581.32-17,658.90

Finding the Fourth Proportional to 45,725.52, 68,581.32 and 17,658.90

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Solution

The fourth proportional to 45,725.52, 68,581.32 and 17,658.90 is: 26,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,725.52 : 68,581.32 = 17,658.90 : x
  2. Step 2: Convert to fraction form
    45,725.52/68,581.32 = 17,658.90/x
  3. Step 3: Cross multiply
    45,725.52x = 68,581.32 × 17,658.90
  4. Step 4: Simplify right side
    45,725.52x = 1,211,070,671.75
  5. Step 5: Solve for x
    x = 1,211,070,671.75/45,725.52
  6. Step 6: Final answer
    x = 26,485.66

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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.