Home / 45,349.20-68,023.94-13,759.52

Finding the Fourth Proportional to 45,349.20, 68,023.94 and 13,759.52

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Solution

The fourth proportional to 45,349.20, 68,023.94 and 13,759.52 is: 20,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.20 : 68,023.94 = 13,759.52 : x
  2. Step 2: Convert to fraction form
    45,349.20/68,023.94 = 13,759.52/x
  3. Step 3: Cross multiply
    45,349.20x = 68,023.94 × 13,759.52
  4. Step 4: Simplify right side
    45,349.20x = 935,976,678.90
  5. Step 5: Solve for x
    x = 935,976,678.90/45,349.20
  6. Step 6: Final answer
    x = 20,639.32

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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.