Home / 31,295.13-43,187.84-16,955.25

Finding the Fourth Proportional to 31,295.13, 43,187.84 and 16,955.25

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Solution

The fourth proportional to 31,295.13, 43,187.84 and 16,955.25 is: 23,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.13 : 43,187.84 = 16,955.25 : x
  2. Step 2: Convert to fraction form
    31,295.13/43,187.84 = 16,955.25/x
  3. Step 3: Cross multiply
    31,295.13x = 43,187.84 × 16,955.25
  4. Step 4: Simplify right side
    31,295.13x = 732,260,624.16
  5. Step 5: Solve for x
    x = 732,260,624.16/31,295.13
  6. Step 6: Final answer
    x = 23,398.55

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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.