Home / 56,788.24-78,371.32-31,294.58

Finding the Fourth Proportional to 56,788.24, 78,371.32 and 31,294.58

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Solution

The fourth proportional to 56,788.24, 78,371.32 and 31,294.58 is: 43,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,788.24 : 78,371.32 = 31,294.58 : x
  2. Step 2: Convert to fraction form
    56,788.24/78,371.32 = 31,294.58/x
  3. Step 3: Cross multiply
    56,788.24x = 78,371.32 × 31,294.58
  4. Step 4: Simplify right side
    56,788.24x = 2,452,597,543.45
  5. Step 5: Solve for x
    x = 2,452,597,543.45/56,788.24
  6. Step 6: Final answer
    x = 43,188.48

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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.