Home / 39,858.58-59,677.15-20,077.16

Finding the Fourth Proportional to 39,858.58, 59,677.15 and 20,077.16

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Solution

The fourth proportional to 39,858.58, 59,677.15 and 20,077.16 is: 30,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.58 : 59,677.15 = 20,077.16 : x
  2. Step 2: Convert to fraction form
    39,858.58/59,677.15 = 20,077.16/x
  3. Step 3: Cross multiply
    39,858.58x = 59,677.15 × 20,077.16
  4. Step 4: Simplify right side
    39,858.58x = 1,198,147,588.51
  5. Step 5: Solve for x
    x = 1,198,147,588.51/39,858.58
  6. Step 6: Final answer
    x = 30,059.97

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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.