Home / 45,444.06-68,112.71-20,454.85

Finding the Fourth Proportional to 45,444.06, 68,112.71 and 20,454.85

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Solution

The fourth proportional to 45,444.06, 68,112.71 and 20,454.85 is: 30,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444.06 : 68,112.71 = 20,454.85 : x
  2. Step 2: Convert to fraction form
    45,444.06/68,112.71 = 20,454.85/x
  3. Step 3: Cross multiply
    45,444.06x = 68,112.71 × 20,454.85
  4. Step 4: Simplify right side
    45,444.06x = 1,393,235,266.14
  5. Step 5: Solve for x
    x = 1,393,235,266.14/45,444.06
  6. Step 6: Final answer
    x = 30,658.25

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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.