Home / 31,724.39-47,587.13-12,012.23

Finding the Fourth Proportional to 31,724.39, 47,587.13 and 12,012.23

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Solution

The fourth proportional to 31,724.39, 47,587.13 and 12,012.23 is: 18,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.39 : 47,587.13 = 12,012.23 : x
  2. Step 2: Convert to fraction form
    31,724.39/47,587.13 = 12,012.23/x
  3. Step 3: Cross multiply
    31,724.39x = 47,587.13 × 12,012.23
  4. Step 4: Simplify right side
    31,724.39x = 571,627,252.60
  5. Step 5: Solve for x
    x = 571,627,252.60/31,724.39
  6. Step 6: Final answer
    x = 18,018.54

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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.