Home / 56,320.80-84,453.87-21,263.22

Finding the Fourth Proportional to 56,320.80, 84,453.87 and 21,263.22

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Solution

The fourth proportional to 56,320.80, 84,453.87 and 21,263.22 is: 31,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320.80 : 84,453.87 = 21,263.22 : x
  2. Step 2: Convert to fraction form
    56,320.80/84,453.87 = 21,263.22/x
  3. Step 3: Cross multiply
    56,320.80x = 84,453.87 × 21,263.22
  4. Step 4: Simplify right side
    56,320.80x = 1,795,761,217.66
  5. Step 5: Solve for x
    x = 1,795,761,217.66/56,320.80
  6. Step 6: Final answer
    x = 31,884.51

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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.