Home / 48,156.93-72,248.69-20,090.18

Finding the Fourth Proportional to 48,156.93, 72,248.69 and 20,090.18

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Solution

The fourth proportional to 48,156.93, 72,248.69 and 20,090.18 is: 30,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,156.93 : 72,248.69 = 20,090.18 : x
  2. Step 2: Convert to fraction form
    48,156.93/72,248.69 = 20,090.18/x
  3. Step 3: Cross multiply
    48,156.93x = 72,248.69 × 20,090.18
  4. Step 4: Simplify right side
    48,156.93x = 1,451,488,725.17
  5. Step 5: Solve for x
    x = 1,451,488,725.17/48,156.93
  6. Step 6: Final answer
    x = 30,140.81

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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.