Home / 56,411.56-77,850.48-31,259.44

Finding the Fourth Proportional to 56,411.56, 77,850.48 and 31,259.44

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Solution

The fourth proportional to 56,411.56, 77,850.48 and 31,259.44 is: 43,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,411.56 : 77,850.48 = 31,259.44 : x
  2. Step 2: Convert to fraction form
    56,411.56/77,850.48 = 31,259.44/x
  3. Step 3: Cross multiply
    56,411.56x = 77,850.48 × 31,259.44
  4. Step 4: Simplify right side
    56,411.56x = 2,433,562,408.53
  5. Step 5: Solve for x
    x = 2,433,562,408.53/56,411.56
  6. Step 6: Final answer
    x = 43,139.43

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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.