Home / 30,987.84-46,366.92-18,514.65

Finding the Fourth Proportional to 30,987.84, 46,366.92 and 18,514.65

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Solution

The fourth proportional to 30,987.84, 46,366.92 and 18,514.65 is: 27,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987.84 : 46,366.92 = 18,514.65 : x
  2. Step 2: Convert to fraction form
    30,987.84/46,366.92 = 18,514.65/x
  3. Step 3: Cross multiply
    30,987.84x = 46,366.92 × 18,514.65
  4. Step 4: Simplify right side
    30,987.84x = 858,467,295.38
  5. Step 5: Solve for x
    x = 858,467,295.38/30,987.84
  6. Step 6: Final answer
    x = 27,703.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.