Home / 39,548.34-54,575.64-21,642.48

Finding the Fourth Proportional to 39,548.34, 54,575.64 and 21,642.48

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Solution

The fourth proportional to 39,548.34, 54,575.64 and 21,642.48 is: 29,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548.34 : 54,575.64 = 21,642.48 : x
  2. Step 2: Convert to fraction form
    39,548.34/54,575.64 = 21,642.48/x
  3. Step 3: Cross multiply
    39,548.34x = 54,575.64 × 21,642.48
  4. Step 4: Simplify right side
    39,548.34x = 1,181,152,197.19
  5. Step 5: Solve for x
    x = 1,181,152,197.19/39,548.34
  6. Step 6: Final answer
    x = 29,866.04

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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.