Home / 31,084.60-42,896.82-16,937.68

Finding the Fourth Proportional to 31,084.60, 42,896.82 and 16,937.68

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Solution

The fourth proportional to 31,084.60, 42,896.82 and 16,937.68 is: 23,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084.60 : 42,896.82 = 16,937.68 : x
  2. Step 2: Convert to fraction form
    31,084.60/42,896.82 = 16,937.68/x
  3. Step 3: Cross multiply
    31,084.60x = 42,896.82 × 16,937.68
  4. Step 4: Simplify right side
    31,084.60x = 726,572,610.18
  5. Step 5: Solve for x
    x = 726,572,610.18/31,084.60
  6. Step 6: Final answer
    x = 23,374.04

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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.