Home / 35,827.38-49,446.45-21,680.46

Finding the Fourth Proportional to 35,827.38, 49,446.45 and 21,680.46

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Solution

The fourth proportional to 35,827.38, 49,446.45 and 21,680.46 is: 29,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.38 : 49,446.45 = 21,680.46 : x
  2. Step 2: Convert to fraction form
    35,827.38/49,446.45 = 21,680.46/x
  3. Step 3: Cross multiply
    35,827.38x = 49,446.45 × 21,680.46
  4. Step 4: Simplify right side
    35,827.38x = 1,072,021,781.37
  5. Step 5: Solve for x
    x = 1,072,021,781.37/35,827.38
  6. Step 6: Final answer
    x = 29,921.86

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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.