Home / 48,065.10-72,171.68-40,665.84

Finding the Fourth Proportional to 48,065.10, 72,171.68 and 40,665.84

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Solution

The fourth proportional to 48,065.10, 72,171.68 and 40,665.84 is: 61,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,065.10 : 72,171.68 = 40,665.84 : x
  2. Step 2: Convert to fraction form
    48,065.10/72,171.68 = 40,665.84/x
  3. Step 3: Cross multiply
    48,065.10x = 72,171.68 × 40,665.84
  4. Step 4: Simplify right side
    48,065.10x = 2,934,921,788.08
  5. Step 5: Solve for x
    x = 2,934,921,788.08/48,065.10
  6. Step 6: Final answer
    x = 61,061.39

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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.