Home / 56,348.91-77,758.07-30,855.59

Finding the Fourth Proportional to 56,348.91, 77,758.07 and 30,855.59

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Solution

The fourth proportional to 56,348.91, 77,758.07 and 30,855.59 is: 42,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,348.91 : 77,758.07 = 30,855.59 : x
  2. Step 2: Convert to fraction form
    56,348.91/77,758.07 = 30,855.59/x
  3. Step 3: Cross multiply
    56,348.91x = 77,758.07 × 30,855.59
  4. Step 4: Simplify right side
    56,348.91x = 2,399,270,584.04
  5. Step 5: Solve for x
    x = 2,399,270,584.04/56,348.91
  6. Step 6: Final answer
    x = 42,578.83

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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.