Home / 45,743.28-68,614.99-30,047.45

Finding the Fourth Proportional to 45,743.28, 68,614.99 and 30,047.45

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Solution

The fourth proportional to 45,743.28, 68,614.99 and 30,047.45 is: 45,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,743.28 : 68,614.99 = 30,047.45 : x
  2. Step 2: Convert to fraction form
    45,743.28/68,614.99 = 30,047.45/x
  3. Step 3: Cross multiply
    45,743.28x = 68,614.99 × 30,047.45
  4. Step 4: Simplify right side
    45,743.28x = 2,061,705,481.28
  5. Step 5: Solve for x
    x = 2,061,705,481.28/45,743.28
  6. Step 6: Final answer
    x = 45,071.23

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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.