Home / 35,853.68-53,694.39-20,019.80

Finding the Fourth Proportional to 35,853.68, 53,694.39 and 20,019.80

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Solution

The fourth proportional to 35,853.68, 53,694.39 and 20,019.80 is: 29,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.68 : 53,694.39 = 20,019.80 : x
  2. Step 2: Convert to fraction form
    35,853.68/53,694.39 = 20,019.80/x
  3. Step 3: Cross multiply
    35,853.68x = 53,694.39 × 20,019.80
  4. Step 4: Simplify right side
    35,853.68x = 1,074,950,948.92
  5. Step 5: Solve for x
    x = 1,074,950,948.92/35,853.68
  6. Step 6: Final answer
    x = 29,981.61

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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.