Home / 31,974.87-47,960.55-9,788.23

Finding the Fourth Proportional to 31,974.87, 47,960.55 and 9,788.23

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Solution

The fourth proportional to 31,974.87, 47,960.55 and 9,788.23 is: 14,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.87 : 47,960.55 = 9,788.23 : x
  2. Step 2: Convert to fraction form
    31,974.87/47,960.55 = 9,788.23/x
  3. Step 3: Cross multiply
    31,974.87x = 47,960.55 × 9,788.23
  4. Step 4: Simplify right side
    31,974.87x = 469,448,894.33
  5. Step 5: Solve for x
    x = 469,448,894.33/31,974.87
  6. Step 6: Final answer
    x = 14,681.81

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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.