Home / 40,028.67-55,242.43-22,123.29

Finding the Fourth Proportional to 40,028.67, 55,242.43 and 22,123.29

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Solution

The fourth proportional to 40,028.67, 55,242.43 and 22,123.29 is: 30,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,028.67 : 55,242.43 = 22,123.29 : x
  2. Step 2: Convert to fraction form
    40,028.67/55,242.43 = 22,123.29/x
  3. Step 3: Cross multiply
    40,028.67x = 55,242.43 × 22,123.29
  4. Step 4: Simplify right side
    40,028.67x = 1,222,144,381.99
  5. Step 5: Solve for x
    x = 1,222,144,381.99/40,028.67
  6. Step 6: Final answer
    x = 30,531.72

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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.