Home / 40,311.52-60,473.54-20,579.40

Finding the Fourth Proportional to 40,311.52, 60,473.54 and 20,579.40

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Solution

The fourth proportional to 40,311.52, 60,473.54 and 20,579.40 is: 30,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.52 : 60,473.54 = 20,579.40 : x
  2. Step 2: Convert to fraction form
    40,311.52/60,473.54 = 20,579.40/x
  3. Step 3: Cross multiply
    40,311.52x = 60,473.54 × 20,579.40
  4. Step 4: Simplify right side
    40,311.52x = 1,244,509,169.08
  5. Step 5: Solve for x
    x = 1,244,509,169.08/40,311.52
  6. Step 6: Final answer
    x = 30,872.30

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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.