Home / 48,729.76-73,064.55-19,134.18

Finding the Fourth Proportional to 48,729.76, 73,064.55 and 19,134.18

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Solution

The fourth proportional to 48,729.76, 73,064.55 and 19,134.18 is: 28,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.76 : 73,064.55 = 19,134.18 : x
  2. Step 2: Convert to fraction form
    48,729.76/73,064.55 = 19,134.18/x
  3. Step 3: Cross multiply
    48,729.76x = 73,064.55 × 19,134.18
  4. Step 4: Simplify right side
    48,729.76x = 1,398,030,251.32
  5. Step 5: Solve for x
    x = 1,398,030,251.32/48,729.76
  6. Step 6: Final answer
    x = 28,689.45

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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.