Home / 48,400.23-72,604.83-18,820.29

Finding the Fourth Proportional to 48,400.23, 72,604.83 and 18,820.29

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Solution

The fourth proportional to 48,400.23, 72,604.83 and 18,820.29 is: 28,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.23 : 72,604.83 = 18,820.29 : x
  2. Step 2: Convert to fraction form
    48,400.23/72,604.83 = 18,820.29/x
  3. Step 3: Cross multiply
    48,400.23x = 72,604.83 × 18,820.29
  4. Step 4: Simplify right side
    48,400.23x = 1,366,443,956.00
  5. Step 5: Solve for x
    x = 1,366,443,956.00/48,400.23
  6. Step 6: Final answer
    x = 28,232.18

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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.