Home / 45,746.80-68,620.20-38,529.70

Finding the Fourth Proportional to 45,746.80, 68,620.20 and 38,529.70

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Solution

The fourth proportional to 45,746.80, 68,620.20 and 38,529.70 is: 57,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,746.80 : 68,620.20 = 38,529.70 : x
  2. Step 2: Convert to fraction form
    45,746.80/68,620.20 = 38,529.70/x
  3. Step 3: Cross multiply
    45,746.80x = 68,620.20 × 38,529.70
  4. Step 4: Simplify right side
    45,746.80x = 2,643,915,719.94
  5. Step 5: Solve for x
    x = 2,643,915,719.94/45,746.80
  6. Step 6: Final answer
    x = 57,794.55

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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.