Home / 45,489.34-68,201.72-17,385.70

Finding the Fourth Proportional to 45,489.34, 68,201.72 and 17,385.70

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Solution

The fourth proportional to 45,489.34, 68,201.72 and 17,385.70 is: 26,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.34 : 68,201.72 = 17,385.70 : x
  2. Step 2: Convert to fraction form
    45,489.34/68,201.72 = 17,385.70/x
  3. Step 3: Cross multiply
    45,489.34x = 68,201.72 × 17,385.70
  4. Step 4: Simplify right side
    45,489.34x = 1,185,734,643.40
  5. Step 5: Solve for x
    x = 1,185,734,643.40/45,489.34
  6. Step 6: Final answer
    x = 26,066.21

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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.