Home / 39,553.99-54,584.62-21,649.14

Finding the Fourth Proportional to 39,553.99, 54,584.62 and 21,649.14

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Solution

The fourth proportional to 39,553.99, 54,584.62 and 21,649.14 is: 29,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,553.99 : 54,584.62 = 21,649.14 : x
  2. Step 2: Convert to fraction form
    39,553.99/54,584.62 = 21,649.14/x
  3. Step 3: Cross multiply
    39,553.99x = 54,584.62 × 21,649.14
  4. Step 4: Simplify right side
    39,553.99x = 1,181,710,026.10
  5. Step 5: Solve for x
    x = 1,181,710,026.10/39,553.99
  6. Step 6: Final answer
    x = 29,875.88

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1.5x scale

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.