Home / 42,043.68-58,020.12-23,181.84

Finding the Fourth Proportional to 42,043.68, 58,020.12 and 23,181.84

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Solution

The fourth proportional to 42,043.68, 58,020.12 and 23,181.84 is: 31,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.68 : 58,020.12 = 23,181.84 : x
  2. Step 2: Convert to fraction form
    42,043.68/58,020.12 = 23,181.84/x
  3. Step 3: Cross multiply
    42,043.68x = 58,020.12 × 23,181.84
  4. Step 4: Simplify right side
    42,043.68x = 1,345,013,138.62
  5. Step 5: Solve for x
    x = 1,345,013,138.62/42,043.68
  6. Step 6: Final answer
    x = 31,990.85

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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.