Home / 45,294.20-67,963.88-20,352.07

Finding the Fourth Proportional to 45,294.20, 67,963.88 and 20,352.07

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Solution

The fourth proportional to 45,294.20, 67,963.88 and 20,352.07 is: 30,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294.20 : 67,963.88 = 20,352.07 : x
  2. Step 2: Convert to fraction form
    45,294.20/67,963.88 = 20,352.07/x
  3. Step 3: Cross multiply
    45,294.20x = 67,963.88 × 20,352.07
  4. Step 4: Simplify right side
    45,294.20x = 1,383,205,643.23
  5. Step 5: Solve for x
    x = 1,383,205,643.23/45,294.20
  6. Step 6: Final answer
    x = 30,538.25

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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.