Home / 45,359.34-68,039.14-13,769.65

Finding the Fourth Proportional to 45,359.34, 68,039.14 and 13,769.65

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Solution

The fourth proportional to 45,359.34, 68,039.14 and 13,769.65 is: 20,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,359.34 : 68,039.14 = 13,769.65 : x
  2. Step 2: Convert to fraction form
    45,359.34/68,039.14 = 13,769.65/x
  3. Step 3: Cross multiply
    45,359.34x = 68,039.14 × 13,769.65
  4. Step 4: Simplify right side
    45,359.34x = 936,874,837.82
  5. Step 5: Solve for x
    x = 936,874,837.82/45,359.34
  6. Step 6: Final answer
    x = 20,654.51

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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.