Home / 56,369.16-77,789.52-31,218.84

Finding the Fourth Proportional to 56,369.16, 77,789.52 and 31,218.84

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Solution

The fourth proportional to 56,369.16, 77,789.52 and 31,218.84 is: 43,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,369.16 : 77,789.52 = 31,218.84 : x
  2. Step 2: Convert to fraction form
    56,369.16/77,789.52 = 31,218.84/x
  3. Step 3: Cross multiply
    56,369.16x = 77,789.52 × 31,218.84
  4. Step 4: Simplify right side
    56,369.16x = 2,428,498,578.56
  5. Step 5: Solve for x
    x = 2,428,498,578.56/56,369.16
  6. Step 6: Final answer
    x = 43,082.04

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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.