Home / 31,876.16-44,025.80-21,247.34

Finding the Fourth Proportional to 31,876.16, 44,025.80 and 21,247.34

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Solution

The fourth proportional to 31,876.16, 44,025.80 and 21,247.34 is: 29,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,876.16 : 44,025.80 = 21,247.34 : x
  2. Step 2: Convert to fraction form
    31,876.16/44,025.80 = 21,247.34/x
  3. Step 3: Cross multiply
    31,876.16x = 44,025.80 × 21,247.34
  4. Step 4: Simplify right side
    31,876.16x = 935,430,815.01
  5. Step 5: Solve for x
    x = 935,430,815.01/31,876.16
  6. Step 6: Final answer
    x = 29,345.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.