Home / 53,519.27-80,290.17-20,238.59

Finding the Fourth Proportional to 53,519.27, 80,290.17 and 20,238.59

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Solution

The fourth proportional to 53,519.27, 80,290.17 and 20,238.59 is: 30,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.27 : 80,290.17 = 20,238.59 : x
  2. Step 2: Convert to fraction form
    53,519.27/80,290.17 = 20,238.59/x
  3. Step 3: Cross multiply
    53,519.27x = 80,290.17 × 20,238.59
  4. Step 4: Simplify right side
    53,519.27x = 1,624,960,032.39
  5. Step 5: Solve for x
    x = 1,624,960,032.39/53,519.27
  6. Step 6: Final answer
    x = 30,362.15

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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.