Home / 31,833.24-43,924.98-18,401.91

Finding the Fourth Proportional to 31,833.24, 43,924.98 and 18,401.91

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Solution

The fourth proportional to 31,833.24, 43,924.98 and 18,401.91 is: 25,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.24 : 43,924.98 = 18,401.91 : x
  2. Step 2: Convert to fraction form
    31,833.24/43,924.98 = 18,401.91/x
  3. Step 3: Cross multiply
    31,833.24x = 43,924.98 × 18,401.91
  4. Step 4: Simplify right side
    31,833.24x = 808,303,528.71
  5. Step 5: Solve for x
    x = 808,303,528.71/31,833.24
  6. Step 6: Final answer
    x = 25,391.81

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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.