Home / 39,446.30-54,433.85-21,537.84

Finding the Fourth Proportional to 39,446.30, 54,433.85 and 21,537.84

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Solution

The fourth proportional to 39,446.30, 54,433.85 and 21,537.84 is: 29,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.30 : 54,433.85 = 21,537.84 : x
  2. Step 2: Convert to fraction form
    39,446.30/54,433.85 = 21,537.84/x
  3. Step 3: Cross multiply
    39,446.30x = 54,433.85 × 21,537.84
  4. Step 4: Simplify right side
    39,446.30x = 1,172,387,444.19
  5. Step 5: Solve for x
    x = 1,172,387,444.19/39,446.30
  6. Step 6: Final answer
    x = 29,721.10

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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.