Home / 48,146.20-72,231.14-18,566.11

Finding the Fourth Proportional to 48,146.20, 72,231.14 and 18,566.11

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Solution

The fourth proportional to 48,146.20, 72,231.14 and 18,566.11 is: 27,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.20 : 72,231.14 = 18,566.11 : x
  2. Step 2: Convert to fraction form
    48,146.20/72,231.14 = 18,566.11/x
  3. Step 3: Cross multiply
    48,146.20x = 72,231.14 × 18,566.11
  4. Step 4: Simplify right side
    48,146.20x = 1,341,051,427.37
  5. Step 5: Solve for x
    x = 1,341,051,427.37/48,146.20
  6. Step 6: Final answer
    x = 27,853.74

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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.