Home / 56,229.12-84,360.96-19,296

Finding the Fourth Proportional to 56,229.12, 84,360.96 and 19,296

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Solution

The fourth proportional to 56,229.12, 84,360.96 and 19,296 is: 28,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.12 : 84,360.96 = 19,296 : x
  2. Step 2: Convert to fraction form
    56,229.12/84,360.96 = 19,296/x
  3. Step 3: Cross multiply
    56,229.12x = 84,360.96 × 19,296
  4. Step 4: Simplify right side
    56,229.12x = 1,627,829,084.16
  5. Step 5: Solve for x
    x = 1,627,829,084.16/56,229.12
  6. Step 6: Final answer
    x = 28,949.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.