Home / 42,020.44-57,988.22-22,900.22

Finding the Fourth Proportional to 42,020.44, 57,988.22 and 22,900.22

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Solution

The fourth proportional to 42,020.44, 57,988.22 and 22,900.22 is: 31,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.44 : 57,988.22 = 22,900.22 : x
  2. Step 2: Convert to fraction form
    42,020.44/57,988.22 = 22,900.22/x
  3. Step 3: Cross multiply
    42,020.44x = 57,988.22 × 22,900.22
  4. Step 4: Simplify right side
    42,020.44x = 1,327,942,735.94
  5. Step 5: Solve for x
    x = 1,327,942,735.94/42,020.44
  6. Step 6: Final answer
    x = 31,602.30

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Double scale
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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.