Home / 45,508.77-68,237.46-18,839.70

Finding the Fourth Proportional to 45,508.77, 68,237.46 and 18,839.70

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Solution

The fourth proportional to 45,508.77, 68,237.46 and 18,839.70 is: 28,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,508.77 : 68,237.46 = 18,839.70 : x
  2. Step 2: Convert to fraction form
    45,508.77/68,237.46 = 18,839.70/x
  3. Step 3: Cross multiply
    45,508.77x = 68,237.46 × 18,839.70
  4. Step 4: Simplify right side
    45,508.77x = 1,285,573,275.16
  5. Step 5: Solve for x
    x = 1,285,573,275.16/45,508.77
  6. Step 6: Final answer
    x = 28,248.91

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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.