Home / 50,685.80-76,097.64-28,514.78

Finding the Fourth Proportional to 50,685.80, 76,097.64 and 28,514.78

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Solution

The fourth proportional to 50,685.80, 76,097.64 and 28,514.78 is: 42,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,685.80 : 76,097.64 = 28,514.78 : x
  2. Step 2: Convert to fraction form
    50,685.80/76,097.64 = 28,514.78/x
  3. Step 3: Cross multiply
    50,685.80x = 76,097.64 × 28,514.78
  4. Step 4: Simplify right side
    50,685.80x = 2,169,907,082.63
  5. Step 5: Solve for x
    x = 2,169,907,082.63/50,685.80
  6. Step 6: Final answer
    x = 42,810.95

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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.