Home / 31,949.24-44,077.38-21,345.80

Finding the Fourth Proportional to 31,949.24, 44,077.38 and 21,345.80

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Solution

The fourth proportional to 31,949.24, 44,077.38 and 21,345.80 is: 29,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949.24 : 44,077.38 = 21,345.80 : x
  2. Step 2: Convert to fraction form
    31,949.24/44,077.38 = 21,345.80/x
  3. Step 3: Cross multiply
    31,949.24x = 44,077.38 × 21,345.80
  4. Step 4: Simplify right side
    31,949.24x = 940,866,938.00
  5. Step 5: Solve for x
    x = 940,866,938.00/31,949.24
  6. Step 6: Final answer
    x = 29,448.80

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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.