Home / 56,794.42-78,376.82-31,301.70

Finding the Fourth Proportional to 56,794.42, 78,376.82 and 31,301.70

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Solution

The fourth proportional to 56,794.42, 78,376.82 and 31,301.70 is: 43,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,794.42 : 78,376.82 = 31,301.70 : x
  2. Step 2: Convert to fraction form
    56,794.42/78,376.82 = 31,301.70/x
  3. Step 3: Cross multiply
    56,794.42x = 78,376.82 × 31,301.70
  4. Step 4: Simplify right side
    56,794.42x = 2,453,327,158.20
  5. Step 5: Solve for x
    x = 2,453,327,158.20/56,794.42
  6. Step 6: Final answer
    x = 43,196.62

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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.