Home / 23,049.48-31,809.30-12,977.92

Finding the Fourth Proportional to 23,049.48, 31,809.30 and 12,977.92

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Solution

The fourth proportional to 23,049.48, 31,809.30 and 12,977.92 is: 17,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,049.48 : 31,809.30 = 12,977.92 : x
  2. Step 2: Convert to fraction form
    23,049.48/31,809.30 = 12,977.92/x
  3. Step 3: Cross multiply
    23,049.48x = 31,809.30 × 12,977.92
  4. Step 4: Simplify right side
    23,049.48x = 412,818,584.09
  5. Step 5: Solve for x
    x = 412,818,584.09/23,049.48
  6. Step 6: Final answer
    x = 17,910.10

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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.