Home / 35,521.68-49,025.92-21,375.84

Finding the Fourth Proportional to 35,521.68, 49,025.92 and 21,375.84

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Solution

The fourth proportional to 35,521.68, 49,025.92 and 21,375.84 is: 29,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.68 : 49,025.92 = 21,375.84 : x
  2. Step 2: Convert to fraction form
    35,521.68/49,025.92 = 21,375.84/x
  3. Step 3: Cross multiply
    35,521.68x = 49,025.92 × 21,375.84
  4. Step 4: Simplify right side
    35,521.68x = 1,047,970,221.77
  5. Step 5: Solve for x
    x = 1,047,970,221.77/35,521.68
  6. Step 6: Final answer
    x = 29,502.27

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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.