Home / 35,603.20-49,132.29-20,079.59

Finding the Fourth Proportional to 35,603.20, 49,132.29 and 20,079.59

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Solution

The fourth proportional to 35,603.20, 49,132.29 and 20,079.59 is: 27,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.20 : 49,132.29 = 20,079.59 : x
  2. Step 2: Convert to fraction form
    35,603.20/49,132.29 = 20,079.59/x
  3. Step 3: Cross multiply
    35,603.20x = 49,132.29 × 20,079.59
  4. Step 4: Simplify right side
    35,603.20x = 986,556,238.96
  5. Step 5: Solve for x
    x = 986,556,238.96/35,603.20
  6. Step 6: Final answer
    x = 27,709.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.