Home / 56,459.94-77,914.72-31,309.44

Finding the Fourth Proportional to 56,459.94, 77,914.72 and 31,309.44

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Solution

The fourth proportional to 56,459.94, 77,914.72 and 31,309.44 is: 43,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.94 : 77,914.72 = 31,309.44 : x
  2. Step 2: Convert to fraction form
    56,459.94/77,914.72 = 31,309.44/x
  3. Step 3: Cross multiply
    56,459.94x = 77,914.72 × 31,309.44
  4. Step 4: Simplify right side
    56,459.94x = 2,439,466,250.96
  5. Step 5: Solve for x
    x = 2,439,466,250.96/56,459.94
  6. Step 6: Final answer
    x = 43,207.03

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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.