Home / 42,117.40-58,121.57-22,997.12

Finding the Fourth Proportional to 42,117.40, 58,121.57 and 22,997.12

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Solution

The fourth proportional to 42,117.40, 58,121.57 and 22,997.12 is: 31,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.40 : 58,121.57 = 22,997.12 : x
  2. Step 2: Convert to fraction form
    42,117.40/58,121.57 = 22,997.12/x
  3. Step 3: Cross multiply
    42,117.40x = 58,121.57 × 22,997.12
  4. Step 4: Simplify right side
    42,117.40x = 1,336,628,357.40
  5. Step 5: Solve for x
    x = 1,336,628,357.40/42,117.40
  6. Step 6: Final answer
    x = 31,735.77

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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.