Home / 39,899.69-59,858.19-19,919.93

Finding the Fourth Proportional to 39,899.69, 59,858.19 and 19,919.93

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Solution

The fourth proportional to 39,899.69, 59,858.19 and 19,919.93 is: 29,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.69 : 59,858.19 = 19,919.93 : x
  2. Step 2: Convert to fraction form
    39,899.69/59,858.19 = 19,919.93/x
  3. Step 3: Cross multiply
    39,899.69x = 59,858.19 × 19,919.93
  4. Step 4: Simplify right side
    39,899.69x = 1,192,370,655.44
  5. Step 5: Solve for x
    x = 1,192,370,655.44/39,899.69
  6. Step 6: Final answer
    x = 29,884.21

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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.