Home / 42,198.40-58,231.32-23,335.12

Finding the Fourth Proportional to 42,198.40, 58,231.32 and 23,335.12

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Solution

The fourth proportional to 42,198.40, 58,231.32 and 23,335.12 is: 32,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.40 : 58,231.32 = 23,335.12 : x
  2. Step 2: Convert to fraction form
    42,198.40/58,231.32 = 23,335.12/x
  3. Step 3: Cross multiply
    42,198.40x = 58,231.32 × 23,335.12
  4. Step 4: Simplify right side
    42,198.40x = 1,358,834,839.96
  5. Step 5: Solve for x
    x = 1,358,834,839.96/42,198.40
  6. Step 6: Final answer
    x = 32,201.10

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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.