Home / 39,157.97-54,038.04-21,252.97

Finding the Fourth Proportional to 39,157.97, 54,038.04 and 21,252.97

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Solution

The fourth proportional to 39,157.97, 54,038.04 and 21,252.97 is: 29,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.97 : 54,038.04 = 21,252.97 : x
  2. Step 2: Convert to fraction form
    39,157.97/54,038.04 = 21,252.97/x
  3. Step 3: Cross multiply
    39,157.97x = 54,038.04 × 21,252.97
  4. Step 4: Simplify right side
    39,157.97x = 1,148,468,842.98
  5. Step 5: Solve for x
    x = 1,148,468,842.98/39,157.97
  6. Step 6: Final answer
    x = 29,329.12

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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.