Home / 40,028.42-55,242.08-22,123.04

Finding the Fourth Proportional to 40,028.42, 55,242.08 and 22,123.04

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Solution

The fourth proportional to 40,028.42, 55,242.08 and 22,123.04 is: 30,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.42 : 55,242.08 = 22,123.04 : x
  2. Step 2: Convert to fraction form
    40,028.42/55,242.08 = 22,123.04/x
  3. Step 3: Cross multiply
    40,028.42x = 55,242.08 × 22,123.04
  4. Step 4: Simplify right side
    40,028.42x = 1,222,122,946.70
  5. Step 5: Solve for x
    x = 1,222,122,946.70/40,028.42
  6. Step 6: Final answer
    x = 30,531.38

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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.