Home / 31,876.12-47,833.40-11,114.20

Finding the Fourth Proportional to 31,876.12, 47,833.40 and 11,114.20

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Solution

The fourth proportional to 31,876.12, 47,833.40 and 11,114.20 is: 16,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,876.12 : 47,833.40 = 11,114.20 : x
  2. Step 2: Convert to fraction form
    31,876.12/47,833.40 = 11,114.20/x
  3. Step 3: Cross multiply
    31,876.12x = 47,833.40 × 11,114.20
  4. Step 4: Simplify right side
    31,876.12x = 531,629,974.28
  5. Step 5: Solve for x
    x = 531,629,974.28/31,876.12
  6. Step 6: Final answer
    x = 16,678.00

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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.