Home / 31,960.48-47,909.76-12,223.84

Finding the Fourth Proportional to 31,960.48, 47,909.76 and 12,223.84

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Solution

The fourth proportional to 31,960.48, 47,909.76 and 12,223.84 is: 18,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.48 : 47,909.76 = 12,223.84 : x
  2. Step 2: Convert to fraction form
    31,960.48/47,909.76 = 12,223.84/x
  3. Step 3: Cross multiply
    31,960.48x = 47,909.76 × 12,223.84
  4. Step 4: Simplify right side
    31,960.48x = 585,641,240.68
  5. Step 5: Solve for x
    x = 585,641,240.68/31,960.48
  6. Step 6: Final answer
    x = 18,323.92

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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.