Home / 39,602.48-54,651.74-21,699.14

Finding the Fourth Proportional to 39,602.48, 54,651.74 and 21,699.14

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Solution

The fourth proportional to 39,602.48, 54,651.74 and 21,699.14 is: 29,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.48 : 54,651.74 = 21,699.14 : x
  2. Step 2: Convert to fraction form
    39,602.48/54,651.74 = 21,699.14/x
  3. Step 3: Cross multiply
    39,602.48x = 54,651.74 × 21,699.14
  4. Step 4: Simplify right side
    39,602.48x = 1,185,895,375.75
  5. Step 5: Solve for x
    x = 1,185,895,375.75/39,602.48
  6. Step 6: Final answer
    x = 29,944.98

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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.