Home / 35,801.28-49,404.09-19,886.70

Finding the Fourth Proportional to 35,801.28, 49,404.09 and 19,886.70

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Solution

The fourth proportional to 35,801.28, 49,404.09 and 19,886.70 is: 27,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,801.28 : 49,404.09 = 19,886.70 : x
  2. Step 2: Convert to fraction form
    35,801.28/49,404.09 = 19,886.70/x
  3. Step 3: Cross multiply
    35,801.28x = 49,404.09 × 19,886.70
  4. Step 4: Simplify right side
    35,801.28x = 982,484,316.60
  5. Step 5: Solve for x
    x = 982,484,316.60/35,801.28
  6. Step 6: Final answer
    x = 27,442.71

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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.