Home / 39,901.19-59,860.44-19,921.43

Finding the Fourth Proportional to 39,901.19, 59,860.44 and 19,921.43

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Solution

The fourth proportional to 39,901.19, 59,860.44 and 19,921.43 is: 29,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901.19 : 59,860.44 = 19,921.43 : x
  2. Step 2: Convert to fraction form
    39,901.19/59,860.44 = 19,921.43/x
  3. Step 3: Cross multiply
    39,901.19x = 59,860.44 × 19,921.43
  4. Step 4: Simplify right side
    39,901.19x = 1,192,505,265.93
  5. Step 5: Solve for x
    x = 1,192,505,265.93/39,901.19
  6. Step 6: Final answer
    x = 29,886.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.