Home / 31,581.73-43,597.04-20,833.00

Finding the Fourth Proportional to 31,581.73, 43,597.04 and 20,833.00

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Solution

The fourth proportional to 31,581.73, 43,597.04 and 20,833.00 is: 28,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.73 : 43,597.04 = 20,833.00 : x
  2. Step 2: Convert to fraction form
    31,581.73/43,597.04 = 20,833.00/x
  3. Step 3: Cross multiply
    31,581.73x = 43,597.04 × 20,833.00
  4. Step 4: Simplify right side
    31,581.73x = 908,256,921.16
  5. Step 5: Solve for x
    x = 908,256,921.16/31,581.73
  6. Step 6: Final answer
    x = 28,758.93

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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.