Home / 35,711.88-49,282.39-19,798.75

Finding the Fourth Proportional to 35,711.88, 49,282.39 and 19,798.75

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Solution

The fourth proportional to 35,711.88, 49,282.39 and 19,798.75 is: 27,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.88 : 49,282.39 = 19,798.75 : x
  2. Step 2: Convert to fraction form
    35,711.88/49,282.39 = 19,798.75/x
  3. Step 3: Cross multiply
    35,711.88x = 49,282.39 × 19,798.75
  4. Step 4: Simplify right side
    35,711.88x = 975,729,719.01
  5. Step 5: Solve for x
    x = 975,729,719.01/35,711.88
  6. Step 6: Final answer
    x = 27,322.27

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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.