Home / 45,415.88-68,134.76-14,251.13

Finding the Fourth Proportional to 45,415.88, 68,134.76 and 14,251.13

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Solution

The fourth proportional to 45,415.88, 68,134.76 and 14,251.13 is: 21,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.88 : 68,134.76 = 14,251.13 : x
  2. Step 2: Convert to fraction form
    45,415.88/68,134.76 = 14,251.13/x
  3. Step 3: Cross multiply
    45,415.88x = 68,134.76 × 14,251.13
  4. Step 4: Simplify right side
    45,415.88x = 970,997,322.28
  5. Step 5: Solve for x
    x = 970,997,322.28/45,415.88
  6. Step 6: Final answer
    x = 21,380.13

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1.5x scale

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.