Home / 31,951.68-47,894.64-12,224.88

Finding the Fourth Proportional to 31,951.68, 47,894.64 and 12,224.88

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Solution

The fourth proportional to 31,951.68, 47,894.64 and 12,224.88 is: 18,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.68 : 47,894.64 = 12,224.88 : x
  2. Step 2: Convert to fraction form
    31,951.68/47,894.64 = 12,224.88/x
  3. Step 3: Cross multiply
    31,951.68x = 47,894.64 × 12,224.88
  4. Step 4: Simplify right side
    31,951.68x = 585,506,226.64
  5. Step 5: Solve for x
    x = 585,506,226.64/31,951.68
  6. Step 6: Final answer
    x = 18,324.74

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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.