Home / 56,795.15-78,377.84-31,302.43

Finding the Fourth Proportional to 56,795.15, 78,377.84 and 31,302.43

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Solution

The fourth proportional to 56,795.15, 78,377.84 and 31,302.43 is: 43,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795.15 : 78,377.84 = 31,302.43 : x
  2. Step 2: Convert to fraction form
    56,795.15/78,377.84 = 31,302.43/x
  3. Step 3: Cross multiply
    56,795.15x = 78,377.84 × 31,302.43
  4. Step 4: Simplify right side
    56,795.15x = 2,453,416,850.15
  5. Step 5: Solve for x
    x = 2,453,416,850.15/56,795.15
  6. Step 6: Final answer
    x = 43,197.65

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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.