Home / 45,497.32-68,320.06-28,077.88

Finding the Fourth Proportional to 45,497.32, 68,320.06 and 28,077.88

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Solution

The fourth proportional to 45,497.32, 68,320.06 and 28,077.88 is: 42,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.32 : 68,320.06 = 28,077.88 : x
  2. Step 2: Convert to fraction form
    45,497.32/68,320.06 = 28,077.88/x
  3. Step 3: Cross multiply
    45,497.32x = 68,320.06 × 28,077.88
  4. Step 4: Simplify right side
    45,497.32x = 1,918,282,446.27
  5. Step 5: Solve for x
    x = 1,918,282,446.27/45,497.32
  6. Step 6: Final answer
    x = 42,162.54

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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.