Home / 31,514.91-47,258.55-9,330.03

Finding the Fourth Proportional to 31,514.91, 47,258.55 and 9,330.03

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Solution

The fourth proportional to 31,514.91, 47,258.55 and 9,330.03 is: 13,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.91 : 47,258.55 = 9,330.03 : x
  2. Step 2: Convert to fraction form
    31,514.91/47,258.55 = 9,330.03/x
  3. Step 3: Cross multiply
    31,514.91x = 47,258.55 × 9,330.03
  4. Step 4: Simplify right side
    31,514.91x = 440,923,689.26
  5. Step 5: Solve for x
    x = 440,923,689.26/31,514.91
  6. Step 6: Final answer
    x = 13,990.96

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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.