Home / 42,283.12-58,348.44-23,161.90

Finding the Fourth Proportional to 42,283.12, 58,348.44 and 23,161.90

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Solution

The fourth proportional to 42,283.12, 58,348.44 and 23,161.90 is: 31,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283.12 : 58,348.44 = 23,161.90 : x
  2. Step 2: Convert to fraction form
    42,283.12/58,348.44 = 23,161.90/x
  3. Step 3: Cross multiply
    42,283.12x = 58,348.44 × 23,161.90
  4. Step 4: Simplify right side
    42,283.12x = 1,351,460,732.44
  5. Step 5: Solve for x
    x = 1,351,460,732.44/42,283.12
  6. Step 6: Final answer
    x = 31,962.18

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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.