Home / 31,452.75-47,061.36-18,756.09

Finding the Fourth Proportional to 31,452.75, 47,061.36 and 18,756.09

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Solution

The fourth proportional to 31,452.75, 47,061.36 and 18,756.09 is: 28,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.75 : 47,061.36 = 18,756.09 : x
  2. Step 2: Convert to fraction form
    31,452.75/47,061.36 = 18,756.09/x
  3. Step 3: Cross multiply
    31,452.75x = 47,061.36 × 18,756.09
  4. Step 4: Simplify right side
    31,452.75x = 882,687,103.68
  5. Step 5: Solve for x
    x = 882,687,103.68/31,452.75
  6. Step 6: Final answer
    x = 28,063.91

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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.