Home / 31,049.04-46,559.55-8,857.13

Finding the Fourth Proportional to 31,049.04, 46,559.55 and 8,857.13

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Solution

The fourth proportional to 31,049.04, 46,559.55 and 8,857.13 is: 13,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.04 : 46,559.55 = 8,857.13 : x
  2. Step 2: Convert to fraction form
    31,049.04/46,559.55 = 8,857.13/x
  3. Step 3: Cross multiply
    31,049.04x = 46,559.55 × 8,857.13
  4. Step 4: Simplify right side
    31,049.04x = 412,383,987.09
  5. Step 5: Solve for x
    x = 412,383,987.09/31,049.04
  6. Step 6: Final answer
    x = 13,281.70

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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.