Home / 35,979.31-49,651.65-19,847.19

Finding the Fourth Proportional to 35,979.31, 49,651.65 and 19,847.19

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Solution

The fourth proportional to 35,979.31, 49,651.65 and 19,847.19 is: 27,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.31 : 49,651.65 = 19,847.19 : x
  2. Step 2: Convert to fraction form
    35,979.31/49,651.65 = 19,847.19/x
  3. Step 3: Cross multiply
    35,979.31x = 49,651.65 × 19,847.19
  4. Step 4: Simplify right side
    35,979.31x = 985,445,624.36
  5. Step 5: Solve for x
    x = 985,445,624.36/35,979.31
  6. Step 6: Final answer
    x = 27,389.23

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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.