Home / 31,632.14-47,444.56-8,260.40

Finding the Fourth Proportional to 31,632.14, 47,444.56 and 8,260.40

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Solution

The fourth proportional to 31,632.14, 47,444.56 and 8,260.40 is: 12,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.14 : 47,444.56 = 8,260.40 : x
  2. Step 2: Convert to fraction form
    31,632.14/47,444.56 = 8,260.40/x
  3. Step 3: Cross multiply
    31,632.14x = 47,444.56 × 8,260.40
  4. Step 4: Simplify right side
    31,632.14x = 391,910,785.55
  5. Step 5: Solve for x
    x = 391,910,785.55/31,632.14
  6. Step 6: Final answer
    x = 12,389.64

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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.