Home / 48,875.22-73,319.18-13,815.72

Finding the Fourth Proportional to 48,875.22, 73,319.18 and 13,815.72

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Solution

The fourth proportional to 48,875.22, 73,319.18 and 13,815.72 is: 20,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,875.22 : 73,319.18 = 13,815.72 : x
  2. Step 2: Convert to fraction form
    48,875.22/73,319.18 = 13,815.72/x
  3. Step 3: Cross multiply
    48,875.22x = 73,319.18 × 13,815.72
  4. Step 4: Simplify right side
    48,875.22x = 1,012,957,192.43
  5. Step 5: Solve for x
    x = 1,012,957,192.43/48,875.22
  6. Step 6: Final answer
    x = 20,725.37

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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.