Home / 39,564.09-54,598.37-21,658.95

Finding the Fourth Proportional to 39,564.09, 54,598.37 and 21,658.95

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Solution

The fourth proportional to 39,564.09, 54,598.37 and 21,658.95 is: 29,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564.09 : 54,598.37 = 21,658.95 : x
  2. Step 2: Convert to fraction form
    39,564.09/54,598.37 = 21,658.95/x
  3. Step 3: Cross multiply
    39,564.09x = 54,598.37 × 21,658.95
  4. Step 4: Simplify right side
    39,564.09x = 1,182,543,257.62
  5. Step 5: Solve for x
    x = 1,182,543,257.62/39,564.09
  6. Step 6: Final answer
    x = 29,889.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.