Home / 30,833.07-42,551.17-18,733.65

Finding the Fourth Proportional to 30,833.07, 42,551.17 and 18,733.65

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Solution

The fourth proportional to 30,833.07, 42,551.17 and 18,733.65 is: 25,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.07 : 42,551.17 = 18,733.65 : x
  2. Step 2: Convert to fraction form
    30,833.07/42,551.17 = 18,733.65/x
  3. Step 3: Cross multiply
    30,833.07x = 42,551.17 × 18,733.65
  4. Step 4: Simplify right side
    30,833.07x = 797,138,624.85
  5. Step 5: Solve for x
    x = 797,138,624.85/30,833.07
  6. Step 6: Final answer
    x = 25,853.36

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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.