Home / 48,318.96-72,498.84-20,244.40

Finding the Fourth Proportional to 48,318.96, 72,498.84 and 20,244.40

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Solution

The fourth proportional to 48,318.96, 72,498.84 and 20,244.40 is: 30,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318.96 : 72,498.84 = 20,244.40 : x
  2. Step 2: Convert to fraction form
    48,318.96/72,498.84 = 20,244.40/x
  3. Step 3: Cross multiply
    48,318.96x = 72,498.84 × 20,244.40
  4. Step 4: Simplify right side
    48,318.96x = 1,467,695,516.50
  5. Step 5: Solve for x
    x = 1,467,695,516.50/48,318.96
  6. Step 6: Final answer
    x = 30,375.15

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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.