Home / 31,416.75-47,125.13-8,043.19

Finding the Fourth Proportional to 31,416.75, 47,125.13 and 8,043.19

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Solution

The fourth proportional to 31,416.75, 47,125.13 and 8,043.19 is: 12,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.75 : 47,125.13 = 8,043.19 : x
  2. Step 2: Convert to fraction form
    31,416.75/47,125.13 = 8,043.19/x
  3. Step 3: Cross multiply
    31,416.75x = 47,125.13 × 8,043.19
  4. Step 4: Simplify right side
    31,416.75x = 379,036,216.34
  5. Step 5: Solve for x
    x = 379,036,216.34/31,416.75
  6. Step 6: Final answer
    x = 12,064.78

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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.