Home / 39,548.90-54,577.48-21,643.92

Finding the Fourth Proportional to 39,548.90, 54,577.48 and 21,643.92

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Solution

The fourth proportional to 39,548.90, 54,577.48 and 21,643.92 is: 29,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548.90 : 54,577.48 = 21,643.92 : x
  2. Step 2: Convert to fraction form
    39,548.90/54,577.48 = 21,643.92/x
  3. Step 3: Cross multiply
    39,548.90x = 54,577.48 × 21,643.92
  4. Step 4: Simplify right side
    39,548.90x = 1,181,270,610.92
  5. Step 5: Solve for x
    x = 1,181,270,610.92/39,548.90
  6. Step 6: Final answer
    x = 29,868.61

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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.