Home / 47,061.27-70,614.99-20,734.65

Finding the Fourth Proportional to 47,061.27, 70,614.99 and 20,734.65

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Solution

The fourth proportional to 47,061.27, 70,614.99 and 20,734.65 is: 31,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,061.27 : 70,614.99 = 20,734.65 : x
  2. Step 2: Convert to fraction form
    47,061.27/70,614.99 = 20,734.65/x
  3. Step 3: Cross multiply
    47,061.27x = 70,614.99 × 20,734.65
  4. Step 4: Simplify right side
    47,061.27x = 1,464,177,102.40
  5. Step 5: Solve for x
    x = 1,464,177,102.40/47,061.27
  6. Step 6: Final answer
    x = 31,112.15

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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.