Home / 45,738.28-68,567.98-17,678.02

Finding the Fourth Proportional to 45,738.28, 68,567.98 and 17,678.02

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Solution

The fourth proportional to 45,738.28, 68,567.98 and 17,678.02 is: 26,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.28 : 68,567.98 = 17,678.02 : x
  2. Step 2: Convert to fraction form
    45,738.28/68,567.98 = 17,678.02/x
  3. Step 3: Cross multiply
    45,738.28x = 68,567.98 × 17,678.02
  4. Step 4: Simplify right side
    45,738.28x = 1,212,146,121.80
  5. Step 5: Solve for x
    x = 1,212,146,121.80/45,738.28
  6. Step 6: Final answer
    x = 26,501.79

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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.