Home / 31,084.11-42,896.39-16,937.19

Finding the Fourth Proportional to 31,084.11, 42,896.39 and 16,937.19

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Solution

The fourth proportional to 31,084.11, 42,896.39 and 16,937.19 is: 23,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084.11 : 42,896.39 = 16,937.19 : x
  2. Step 2: Convert to fraction form
    31,084.11/42,896.39 = 16,937.19/x
  3. Step 3: Cross multiply
    31,084.11x = 42,896.39 × 16,937.19
  4. Step 4: Simplify right side
    31,084.11x = 726,544,223.06
  5. Step 5: Solve for x
    x = 726,544,223.06/31,084.11
  6. Step 6: Final answer
    x = 23,373.49

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Double scale
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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.