Home / 31,084.40-42,896.51-16,937.25

Finding the Fourth Proportional to 31,084.40, 42,896.51 and 16,937.25

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Solution

The fourth proportional to 31,084.40, 42,896.51 and 16,937.25 is: 23,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084.40 : 42,896.51 = 16,937.25 : x
  2. Step 2: Convert to fraction form
    31,084.40/42,896.51 = 16,937.25/x
  3. Step 3: Cross multiply
    31,084.40x = 42,896.51 × 16,937.25
  4. Step 4: Simplify right side
    31,084.40x = 726,548,829.31
  5. Step 5: Solve for x
    x = 726,548,829.31/31,084.40
  6. Step 6: Final answer
    x = 23,373.43

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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.