Home / 56,359.96-84,576.85-21,299.62

Finding the Fourth Proportional to 56,359.96, 84,576.85 and 21,299.62

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Solution

The fourth proportional to 56,359.96, 84,576.85 and 21,299.62 is: 31,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.96 : 84,576.85 = 21,299.62 : x
  2. Step 2: Convert to fraction form
    56,359.96/84,576.85 = 21,299.62/x
  3. Step 3: Cross multiply
    56,359.96x = 84,576.85 × 21,299.62
  4. Step 4: Simplify right side
    56,359.96x = 1,801,454,765.80
  5. Step 5: Solve for x
    x = 1,801,454,765.80/56,359.96
  6. Step 6: Final answer
    x = 31,963.38

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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.