Home / 31,129.40-46,694.10-26,463.80

Finding the Fourth Proportional to 31,129.40, 46,694.10 and 26,463.80

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Solution

The fourth proportional to 31,129.40, 46,694.10 and 26,463.80 is: 39,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.40 : 46,694.10 = 26,463.80 : x
  2. Step 2: Convert to fraction form
    31,129.40/46,694.10 = 26,463.80/x
  3. Step 3: Cross multiply
    31,129.40x = 46,694.10 × 26,463.80
  4. Step 4: Simplify right side
    31,129.40x = 1,235,703,323.58
  5. Step 5: Solve for x
    x = 1,235,703,323.58/31,129.40
  6. Step 6: Final answer
    x = 39,695.70

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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.