Home / 31,248.66-46,873.17-12,780.66

Finding the Fourth Proportional to 31,248.66, 46,873.17 and 12,780.66

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Solution

The fourth proportional to 31,248.66, 46,873.17 and 12,780.66 is: 19,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.66 : 46,873.17 = 12,780.66 : x
  2. Step 2: Convert to fraction form
    31,248.66/46,873.17 = 12,780.66/x
  3. Step 3: Cross multiply
    31,248.66x = 46,873.17 × 12,780.66
  4. Step 4: Simplify right side
    31,248.66x = 599,070,048.89
  5. Step 5: Solve for x
    x = 599,070,048.89/31,248.66
  6. Step 6: Final answer
    x = 19,171.06

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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.