Home / 39,835.11-59,789.59-20,127.52

Finding the Fourth Proportional to 39,835.11, 59,789.59 and 20,127.52

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Solution

The fourth proportional to 39,835.11, 59,789.59 and 20,127.52 is: 30,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,835.11 : 59,789.59 = 20,127.52 : x
  2. Step 2: Convert to fraction form
    39,835.11/59,789.59 = 20,127.52/x
  3. Step 3: Cross multiply
    39,835.11x = 59,789.59 × 20,127.52
  4. Step 4: Simplify right side
    39,835.11x = 1,203,415,768.93
  5. Step 5: Solve for x
    x = 1,203,415,768.93/39,835.11
  6. Step 6: Final answer
    x = 30,209.93

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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.