Home / 30,626.16-42,262.74-17,197.17

Finding the Fourth Proportional to 30,626.16, 42,262.74 and 17,197.17

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Solution

The fourth proportional to 30,626.16, 42,262.74 and 17,197.17 is: 23,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.16 : 42,262.74 = 17,197.17 : x
  2. Step 2: Convert to fraction form
    30,626.16/42,262.74 = 17,197.17/x
  3. Step 3: Cross multiply
    30,626.16x = 42,262.74 × 17,197.17
  4. Step 4: Simplify right side
    30,626.16x = 726,799,524.45
  5. Step 5: Solve for x
    x = 726,799,524.45/30,626.16
  6. Step 6: Final answer
    x = 23,731.33

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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.