Home / 56,451.24-77,902.80-33,791.16

Finding the Fourth Proportional to 56,451.24, 77,902.80 and 33,791.16

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Solution

The fourth proportional to 56,451.24, 77,902.80 and 33,791.16 is: 46,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451.24 : 77,902.80 = 33,791.16 : x
  2. Step 2: Convert to fraction form
    56,451.24/77,902.80 = 33,791.16/x
  3. Step 3: Cross multiply
    56,451.24x = 77,902.80 × 33,791.16
  4. Step 4: Simplify right side
    56,451.24x = 2,632,425,979.25
  5. Step 5: Solve for x
    x = 2,632,425,979.25/56,451.24
  6. Step 6: Final answer
    x = 46,631.85

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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.