Home / 56,359.71-84,576.48-21,299.37

Finding the Fourth Proportional to 56,359.71, 84,576.48 and 21,299.37

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Solution

The fourth proportional to 56,359.71, 84,576.48 and 21,299.37 is: 31,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.71 : 84,576.48 = 21,299.37 : x
  2. Step 2: Convert to fraction form
    56,359.71/84,576.48 = 21,299.37/x
  3. Step 3: Cross multiply
    56,359.71x = 84,576.48 × 21,299.37
  4. Step 4: Simplify right side
    56,359.71x = 1,801,425,740.82
  5. Step 5: Solve for x
    x = 1,801,425,740.82/56,359.71
  6. Step 6: Final answer
    x = 31,963.01

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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.