Home / 31,544.28-47,316.36-12,834.48

Finding the Fourth Proportional to 31,544.28, 47,316.36 and 12,834.48

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Solution

The fourth proportional to 31,544.28, 47,316.36 and 12,834.48 is: 19,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544.28 : 47,316.36 = 12,834.48 : x
  2. Step 2: Convert to fraction form
    31,544.28/47,316.36 = 12,834.48/x
  3. Step 3: Cross multiply
    31,544.28x = 47,316.36 × 12,834.48
  4. Step 4: Simplify right side
    31,544.28x = 607,280,876.09
  5. Step 5: Solve for x
    x = 607,280,876.09/31,544.28
  6. Step 6: Final answer
    x = 19,251.70

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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.