Home / 31,934.13-47,897.55-8,558.75

Finding the Fourth Proportional to 31,934.13, 47,897.55 and 8,558.75

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Solution

The fourth proportional to 31,934.13, 47,897.55 and 8,558.75 is: 12,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.13 : 47,897.55 = 8,558.75 : x
  2. Step 2: Convert to fraction form
    31,934.13/47,897.55 = 8,558.75/x
  3. Step 3: Cross multiply
    31,934.13x = 47,897.55 × 8,558.75
  4. Step 4: Simplify right side
    31,934.13x = 409,942,916.57
  5. Step 5: Solve for x
    x = 409,942,916.57/31,934.13
  6. Step 6: Final answer
    x = 12,837.14

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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.