Home / 56,368.96-77,791.62-31,218.46

Finding the Fourth Proportional to 56,368.96, 77,791.62 and 31,218.46

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Solution

The fourth proportional to 56,368.96, 77,791.62 and 31,218.46 is: 43,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,368.96 : 77,791.62 = 31,218.46 : x
  2. Step 2: Convert to fraction form
    56,368.96/77,791.62 = 31,218.46/x
  3. Step 3: Cross multiply
    56,368.96x = 77,791.62 × 31,218.46
  4. Step 4: Simplify right side
    56,368.96x = 2,428,534,577.31
  5. Step 5: Solve for x
    x = 2,428,534,577.31/56,368.96
  6. Step 6: Final answer
    x = 43,082.83

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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.