Home / 53,121.77-79,682.69-50,815.55

Finding the Fourth Proportional to 53,121.77, 79,682.69 and 50,815.55

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Solution

The fourth proportional to 53,121.77, 79,682.69 and 50,815.55 is: 76,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.77 : 79,682.69 = 50,815.55 : x
  2. Step 2: Convert to fraction form
    53,121.77/79,682.69 = 50,815.55/x
  3. Step 3: Cross multiply
    53,121.77x = 79,682.69 × 50,815.55
  4. Step 4: Simplify right side
    53,121.77x = 4,049,119,717.83
  5. Step 5: Solve for x
    x = 4,049,119,717.83/53,121.77
  6. Step 6: Final answer
    x = 76,223.36

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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.