Home / 31,833.80-43,937.25-18,403.19

Finding the Fourth Proportional to 31,833.80, 43,937.25 and 18,403.19

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Solution

The fourth proportional to 31,833.80, 43,937.25 and 18,403.19 is: 25,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.80 : 43,937.25 = 18,403.19 : x
  2. Step 2: Convert to fraction form
    31,833.80/43,937.25 = 18,403.19/x
  3. Step 3: Cross multiply
    31,833.80x = 43,937.25 × 18,403.19
  4. Step 4: Simplify right side
    31,833.80x = 808,585,340.14
  5. Step 5: Solve for x
    x = 808,585,340.14/31,833.80
  6. Step 6: Final answer
    x = 25,400.22

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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.