Home / 31,726.64-47,595.96-12,752.75

Finding the Fourth Proportional to 31,726.64, 47,595.96 and 12,752.75

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Solution

The fourth proportional to 31,726.64, 47,595.96 and 12,752.75 is: 19,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.64 : 47,595.96 = 12,752.75 : x
  2. Step 2: Convert to fraction form
    31,726.64/47,595.96 = 12,752.75/x
  3. Step 3: Cross multiply
    31,726.64x = 47,595.96 × 12,752.75
  4. Step 4: Simplify right side
    31,726.64x = 606,979,450.06
  5. Step 5: Solve for x
    x = 606,979,450.06/31,726.64
  6. Step 6: Final answer
    x = 19,131.54

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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.