Home / 31,922.95-47,883.49-8,549.38

Finding the Fourth Proportional to 31,922.95, 47,883.49 and 8,549.38

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Solution

The fourth proportional to 31,922.95, 47,883.49 and 8,549.38 is: 12,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.95 : 47,883.49 = 8,549.38 : x
  2. Step 2: Convert to fraction form
    31,922.95/47,883.49 = 8,549.38/x
  3. Step 3: Cross multiply
    31,922.95x = 47,883.49 × 8,549.38
  4. Step 4: Simplify right side
    31,922.95x = 409,374,151.74
  5. Step 5: Solve for x
    x = 409,374,151.74/31,922.95
  6. Step 6: Final answer
    x = 12,823.82

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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.