Home / 39,156.82-54,036.93-21,252.04

Finding the Fourth Proportional to 39,156.82, 54,036.93 and 21,252.04

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Solution

The fourth proportional to 39,156.82, 54,036.93 and 21,252.04 is: 29,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.82 : 54,036.93 = 21,252.04 : x
  2. Step 2: Convert to fraction form
    39,156.82/54,036.93 = 21,252.04/x
  3. Step 3: Cross multiply
    39,156.82x = 54,036.93 × 21,252.04
  4. Step 4: Simplify right side
    39,156.82x = 1,148,394,997.84
  5. Step 5: Solve for x
    x = 1,148,394,997.84/39,156.82
  6. Step 6: Final answer
    x = 29,328.10

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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.