Home / 35,789.16-49,386.96-19,873.20

Finding the Fourth Proportional to 35,789.16, 49,386.96 and 19,873.20

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Solution

The fourth proportional to 35,789.16, 49,386.96 and 19,873.20 is: 27,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789.16 : 49,386.96 = 19,873.20 : x
  2. Step 2: Convert to fraction form
    35,789.16/49,386.96 = 19,873.20/x
  3. Step 3: Cross multiply
    35,789.16x = 49,386.96 × 19,873.20
  4. Step 4: Simplify right side
    35,789.16x = 981,476,933.47
  5. Step 5: Solve for x
    x = 981,476,933.47/35,789.16
  6. Step 6: Final answer
    x = 27,423.86

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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.