Home / 39,444.72-54,434.16-21,539.94

Finding the Fourth Proportional to 39,444.72, 54,434.16 and 21,539.94

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Solution

The fourth proportional to 39,444.72, 54,434.16 and 21,539.94 is: 29,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.72 : 54,434.16 = 21,539.94 : x
  2. Step 2: Convert to fraction form
    39,444.72/54,434.16 = 21,539.94/x
  3. Step 3: Cross multiply
    39,444.72x = 54,434.16 × 21,539.94
  4. Step 4: Simplify right side
    39,444.72x = 1,172,508,540.35
  5. Step 5: Solve for x
    x = 1,172,508,540.35/39,444.72
  6. Step 6: Final answer
    x = 29,725.36

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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.