Home / 48,153.12-72,234.48-18,159.76

Finding the Fourth Proportional to 48,153.12, 72,234.48 and 18,159.76

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Solution

The fourth proportional to 48,153.12, 72,234.48 and 18,159.76 is: 27,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,153.12 : 72,234.48 = 18,159.76 : x
  2. Step 2: Convert to fraction form
    48,153.12/72,234.48 = 18,159.76/x
  3. Step 3: Cross multiply
    48,153.12x = 72,234.48 × 18,159.76
  4. Step 4: Simplify right side
    48,153.12x = 1,311,760,820.52
  5. Step 5: Solve for x
    x = 1,311,760,820.52/48,153.12
  6. Step 6: Final answer
    x = 27,241.45

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1.5x scale

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.