Home / 45,220.56-67,833-17,138.40

Finding the Fourth Proportional to 45,220.56, 67,833 and 17,138.40

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Solution

The fourth proportional to 45,220.56, 67,833 and 17,138.40 is: 25,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.56 : 67,833 = 17,138.40 : x
  2. Step 2: Convert to fraction form
    45,220.56/67,833 = 17,138.40/x
  3. Step 3: Cross multiply
    45,220.56x = 67,833 × 17,138.40
  4. Step 4: Simplify right side
    45,220.56x = 1,162,549,087.20
  5. Step 5: Solve for x
    x = 1,162,549,087.20/45,220.56
  6. Step 6: Final answer
    x = 25,708.42

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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.