Home / 40,034.40-55,246.50-22,128.95

Finding the Fourth Proportional to 40,034.40, 55,246.50 and 22,128.95

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Solution

The fourth proportional to 40,034.40, 55,246.50 and 22,128.95 is: 30,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034.40 : 55,246.50 = 22,128.95 : x
  2. Step 2: Convert to fraction form
    40,034.40/55,246.50 = 22,128.95/x
  3. Step 3: Cross multiply
    40,034.40x = 55,246.50 × 22,128.95
  4. Step 4: Simplify right side
    40,034.40x = 1,222,546,759.94
  5. Step 5: Solve for x
    x = 1,222,546,759.94/40,034.40
  6. Step 6: Final answer
    x = 30,537.41

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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.