Home / 42,033.78-58,007.30-23,170.91

Finding the Fourth Proportional to 42,033.78, 58,007.30 and 23,170.91

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Solution

The fourth proportional to 42,033.78, 58,007.30 and 23,170.91 is: 31,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,033.78 : 58,007.30 = 23,170.91 : x
  2. Step 2: Convert to fraction form
    42,033.78/58,007.30 = 23,170.91/x
  3. Step 3: Cross multiply
    42,033.78x = 58,007.30 × 23,170.91
  4. Step 4: Simplify right side
    42,033.78x = 1,344,081,521.75
  5. Step 5: Solve for x
    x = 1,344,081,521.75/42,033.78
  6. Step 6: Final answer
    x = 31,976.22

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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.