Home / 40,422.57-55,784.87-22,517.59

Finding the Fourth Proportional to 40,422.57, 55,784.87 and 22,517.59

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Solution

The fourth proportional to 40,422.57, 55,784.87 and 22,517.59 is: 31,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.57 : 55,784.87 = 22,517.59 : x
  2. Step 2: Convert to fraction form
    40,422.57/55,784.87 = 22,517.59/x
  3. Step 3: Cross multiply
    40,422.57x = 55,784.87 × 22,517.59
  4. Step 4: Simplify right side
    40,422.57x = 1,256,140,747.70
  5. Step 5: Solve for x
    x = 1,256,140,747.70/40,422.57
  6. Step 6: Final answer
    x = 31,075.23

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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.