Home / 31,627.48-47,425.74-18,483.16

Finding the Fourth Proportional to 31,627.48, 47,425.74 and 18,483.16

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Solution

The fourth proportional to 31,627.48, 47,425.74 and 18,483.16 is: 27,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.48 : 47,425.74 = 18,483.16 : x
  2. Step 2: Convert to fraction form
    31,627.48/47,425.74 = 18,483.16/x
  3. Step 3: Cross multiply
    31,627.48x = 47,425.74 × 18,483.16
  4. Step 4: Simplify right side
    31,627.48x = 876,577,540.54
  5. Step 5: Solve for x
    x = 876,577,540.54/31,627.48
  6. Step 6: Final answer
    x = 27,715.69

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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.