Home / 56,299.50-84,449.25-21,230.96

Finding the Fourth Proportional to 56,299.50, 84,449.25 and 21,230.96

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Solution

The fourth proportional to 56,299.50, 84,449.25 and 21,230.96 is: 31,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,299.50 : 84,449.25 = 21,230.96 : x
  2. Step 2: Convert to fraction form
    56,299.50/84,449.25 = 21,230.96/x
  3. Step 3: Cross multiply
    56,299.50x = 84,449.25 × 21,230.96
  4. Step 4: Simplify right side
    56,299.50x = 1,792,938,226.53
  5. Step 5: Solve for x
    x = 1,792,938,226.53/56,299.50
  6. Step 6: Final answer
    x = 31,846.43

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1.5x scale

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.