Home / 56,563.67-84,845.21-13,868.57

Finding the Fourth Proportional to 56,563.67, 84,845.21 and 13,868.57

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Solution

The fourth proportional to 56,563.67, 84,845.21 and 13,868.57 is: 20,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,563.67 : 84,845.21 = 13,868.57 : x
  2. Step 2: Convert to fraction form
    56,563.67/84,845.21 = 13,868.57/x
  3. Step 3: Cross multiply
    56,563.67x = 84,845.21 × 13,868.57
  4. Step 4: Simplify right side
    56,563.67x = 1,176,681,876.82
  5. Step 5: Solve for x
    x = 1,176,681,876.82/56,563.67
  6. Step 6: Final answer
    x = 20,802.78

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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.