Home / 31,837.83-43,933.62-18,409.95

Finding the Fourth Proportional to 31,837.83, 43,933.62 and 18,409.95

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Solution

The fourth proportional to 31,837.83, 43,933.62 and 18,409.95 is: 25,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.83 : 43,933.62 = 18,409.95 : x
  2. Step 2: Convert to fraction form
    31,837.83/43,933.62 = 18,409.95/x
  3. Step 3: Cross multiply
    31,837.83x = 43,933.62 × 18,409.95
  4. Step 4: Simplify right side
    31,837.83x = 808,815,747.52
  5. Step 5: Solve for x
    x = 808,815,747.52/31,837.83
  6. Step 6: Final answer
    x = 25,404.24

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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.