Home / 39,446.72-54,436.92-21,541.94

Finding the Fourth Proportional to 39,446.72, 54,436.92 and 21,541.94

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Solution

The fourth proportional to 39,446.72, 54,436.92 and 21,541.94 is: 29,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.72 : 54,436.92 = 21,541.94 : x
  2. Step 2: Convert to fraction form
    39,446.72/54,436.92 = 21,541.94/x
  3. Step 3: Cross multiply
    39,446.72x = 54,436.92 × 21,541.94
  4. Step 4: Simplify right side
    39,446.72x = 1,172,676,864.42
  5. Step 5: Solve for x
    x = 1,172,676,864.42/39,446.72
  6. Step 6: Final answer
    x = 29,728.12

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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.