Home / 45,422.91-68,126.25-13,825.31

Finding the Fourth Proportional to 45,422.91, 68,126.25 and 13,825.31

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Solution

The fourth proportional to 45,422.91, 68,126.25 and 13,825.31 is: 20,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422.91 : 68,126.25 = 13,825.31 : x
  2. Step 2: Convert to fraction form
    45,422.91/68,126.25 = 13,825.31/x
  3. Step 3: Cross multiply
    45,422.91x = 68,126.25 × 13,825.31
  4. Step 4: Simplify right side
    45,422.91x = 941,866,184.76
  5. Step 5: Solve for x
    x = 941,866,184.76/45,422.91
  6. Step 6: Final answer
    x = 20,735.49

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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.