Home / 56,429.44-77,872.64-31,278.94

Finding the Fourth Proportional to 56,429.44, 77,872.64 and 31,278.94

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Solution

The fourth proportional to 56,429.44, 77,872.64 and 31,278.94 is: 43,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,429.44 : 77,872.64 = 31,278.94 : x
  2. Step 2: Convert to fraction form
    56,429.44/77,872.64 = 31,278.94/x
  3. Step 3: Cross multiply
    56,429.44x = 77,872.64 × 31,278.94
  4. Step 4: Simplify right side
    56,429.44x = 2,435,773,283.13
  5. Step 5: Solve for x
    x = 2,435,773,283.13/56,429.44
  6. Step 6: Final answer
    x = 43,164.94

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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.