Home / 23,281.56-34,743.48-20,790.36

Finding the Fourth Proportional to 23,281.56, 34,743.48 and 20,790.36

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Solution

The fourth proportional to 23,281.56, 34,743.48 and 20,790.36 is: 31,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.56 : 34,743.48 = 20,790.36 : x
  2. Step 2: Convert to fraction form
    23,281.56/34,743.48 = 20,790.36/x
  3. Step 3: Cross multiply
    23,281.56x = 34,743.48 × 20,790.36
  4. Step 4: Simplify right side
    23,281.56x = 722,329,456.85
  5. Step 5: Solve for x
    x = 722,329,456.85/23,281.56
  6. Step 6: Final answer
    x = 31,025.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.