Home / 35,922.40-49,568.36-20,814.92

Finding the Fourth Proportional to 35,922.40, 49,568.36 and 20,814.92

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Solution

The fourth proportional to 35,922.40, 49,568.36 and 20,814.92 is: 28,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,922.40 : 49,568.36 = 20,814.92 : x
  2. Step 2: Convert to fraction form
    35,922.40/49,568.36 = 20,814.92/x
  3. Step 3: Cross multiply
    35,922.40x = 49,568.36 × 20,814.92
  4. Step 4: Simplify right side
    35,922.40x = 1,031,761,447.93
  5. Step 5: Solve for x
    x = 1,031,761,447.93/35,922.40
  6. Step 6: Final answer
    x = 28,721.95

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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.