Home / 45,346.31-68,019.62-13,756.65

Finding the Fourth Proportional to 45,346.31, 68,019.62 and 13,756.65

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Solution

The fourth proportional to 45,346.31, 68,019.62 and 13,756.65 is: 20,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.31 : 68,019.62 = 13,756.65 : x
  2. Step 2: Convert to fraction form
    45,346.31/68,019.62 = 13,756.65/x
  3. Step 3: Cross multiply
    45,346.31x = 68,019.62 × 13,756.65
  4. Step 4: Simplify right side
    45,346.31x = 935,722,105.47
  5. Step 5: Solve for x
    x = 935,722,105.47/45,346.31
  6. Step 6: Final answer
    x = 20,635.02

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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.