Home / 54,311.20-74,925.12-33,089.20

Finding the Fourth Proportional to 54,311.20, 74,925.12 and 33,089.20

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Solution

The fourth proportional to 54,311.20, 74,925.12 and 33,089.20 is: 45,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.20 : 74,925.12 = 33,089.20 : x
  2. Step 2: Convert to fraction form
    54,311.20/74,925.12 = 33,089.20/x
  3. Step 3: Cross multiply
    54,311.20x = 74,925.12 × 33,089.20
  4. Step 4: Simplify right side
    54,311.20x = 2,479,212,280.70
  5. Step 5: Solve for x
    x = 2,479,212,280.70/54,311.20
  6. Step 6: Final answer
    x = 45,648.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.