Home / 31,195.24-43,036.58-22,678.70

Finding the Fourth Proportional to 31,195.24, 43,036.58 and 22,678.70

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Solution

The fourth proportional to 31,195.24, 43,036.58 and 22,678.70 is: 31,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195.24 : 43,036.58 = 22,678.70 : x
  2. Step 2: Convert to fraction form
    31,195.24/43,036.58 = 22,678.70/x
  3. Step 3: Cross multiply
    31,195.24x = 43,036.58 × 22,678.70
  4. Step 4: Simplify right side
    31,195.24x = 976,013,686.85
  5. Step 5: Solve for x
    x = 976,013,686.85/31,195.24
  6. Step 6: Final answer
    x = 31,287.26

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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.