Home / 56,429.25-84,619.27-21,344.30

Finding the Fourth Proportional to 56,429.25, 84,619.27 and 21,344.30

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Solution

The fourth proportional to 56,429.25, 84,619.27 and 21,344.30 is: 32,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,429.25 : 84,619.27 = 21,344.30 : x
  2. Step 2: Convert to fraction form
    56,429.25/84,619.27 = 21,344.30/x
  3. Step 3: Cross multiply
    56,429.25x = 84,619.27 × 21,344.30
  4. Step 4: Simplify right side
    56,429.25x = 1,806,138,977.94
  5. Step 5: Solve for x
    x = 1,806,138,977.94/56,429.25
  6. Step 6: Final answer
    x = 32,007.14

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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.