Home / 31,589.14-43,573.80-18,833.95

Finding the Fourth Proportional to 31,589.14, 43,573.80 and 18,833.95

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Solution

The fourth proportional to 31,589.14, 43,573.80 and 18,833.95 is: 25,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.14 : 43,573.80 = 18,833.95 : x
  2. Step 2: Convert to fraction form
    31,589.14/43,573.80 = 18,833.95/x
  3. Step 3: Cross multiply
    31,589.14x = 43,573.80 × 18,833.95
  4. Step 4: Simplify right side
    31,589.14x = 820,666,770.51
  5. Step 5: Solve for x
    x = 820,666,770.51/31,589.14
  6. Step 6: Final answer
    x = 25,979.40

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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.