Home / 35,521.20-53,375.40-19,738.80

Finding the Fourth Proportional to 35,521.20, 53,375.40 and 19,738.80

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Solution

The fourth proportional to 35,521.20, 53,375.40 and 19,738.80 is: 29,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.20 : 53,375.40 = 19,738.80 : x
  2. Step 2: Convert to fraction form
    35,521.20/53,375.40 = 19,738.80/x
  3. Step 3: Cross multiply
    35,521.20x = 53,375.40 × 19,738.80
  4. Step 4: Simplify right side
    35,521.20x = 1,053,566,345.52
  5. Step 5: Solve for x
    x = 1,053,566,345.52/35,521.20
  6. Step 6: Final answer
    x = 29,660.21

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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.