Home / 45,947.70-68,986.35-28,451.70

Finding the Fourth Proportional to 45,947.70, 68,986.35 and 28,451.70

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Solution

The fourth proportional to 45,947.70, 68,986.35 and 28,451.70 is: 42,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,947.70 : 68,986.35 = 28,451.70 : x
  2. Step 2: Convert to fraction form
    45,947.70/68,986.35 = 28,451.70/x
  3. Step 3: Cross multiply
    45,947.70x = 68,986.35 × 28,451.70
  4. Step 4: Simplify right side
    45,947.70x = 1,962,778,934.30
  5. Step 5: Solve for x
    x = 1,962,778,934.30/45,947.70
  6. Step 6: Final answer
    x = 42,717.68

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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.