Home / 39,415.05-59,120.91-18,347.85

Finding the Fourth Proportional to 39,415.05, 59,120.91 and 18,347.85

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Solution

The fourth proportional to 39,415.05, 59,120.91 and 18,347.85 is: 27,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.05 : 59,120.91 = 18,347.85 : x
  2. Step 2: Convert to fraction form
    39,415.05/59,120.91 = 18,347.85/x
  3. Step 3: Cross multiply
    39,415.05x = 59,120.91 × 18,347.85
  4. Step 4: Simplify right side
    39,415.05x = 1,084,741,588.54
  5. Step 5: Solve for x
    x = 1,084,741,588.54/39,415.05
  6. Step 6: Final answer
    x = 27,521.00

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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.