Home / 47,711.04-71,550.36-18,121.74

Finding the Fourth Proportional to 47,711.04, 71,550.36 and 18,121.74

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Solution

The fourth proportional to 47,711.04, 71,550.36 and 18,121.74 is: 27,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.04 : 71,550.36 = 18,121.74 : x
  2. Step 2: Convert to fraction form
    47,711.04/71,550.36 = 18,121.74/x
  3. Step 3: Cross multiply
    47,711.04x = 71,550.36 × 18,121.74
  4. Step 4: Simplify right side
    47,711.04x = 1,296,617,020.83
  5. Step 5: Solve for x
    x = 1,296,617,020.83/47,711.04
  6. Step 6: Final answer
    x = 27,176.46

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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.