Home / 31,508.56-47,271.04-11,788.66

Finding the Fourth Proportional to 31,508.56, 47,271.04 and 11,788.66

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Solution

The fourth proportional to 31,508.56, 47,271.04 and 11,788.66 is: 17,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.56 : 47,271.04 = 11,788.66 : x
  2. Step 2: Convert to fraction form
    31,508.56/47,271.04 = 11,788.66/x
  3. Step 3: Cross multiply
    31,508.56x = 47,271.04 × 11,788.66
  4. Step 4: Simplify right side
    31,508.56x = 557,262,218.41
  5. Step 5: Solve for x
    x = 557,262,218.41/31,508.56
  6. Step 6: Final answer
    x = 17,686.06

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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.