Home / 50,716.59-69,988.23-28,053.78

Finding the Fourth Proportional to 50,716.59, 69,988.23 and 28,053.78

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Solution

The fourth proportional to 50,716.59, 69,988.23 and 28,053.78 is: 38,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.59 : 69,988.23 = 28,053.78 : x
  2. Step 2: Convert to fraction form
    50,716.59/69,988.23 = 28,053.78/x
  3. Step 3: Cross multiply
    50,716.59x = 69,988.23 × 28,053.78
  4. Step 4: Simplify right side
    50,716.59x = 1,963,434,407.01
  5. Step 5: Solve for x
    x = 1,963,434,407.01/50,716.59
  6. Step 6: Final answer
    x = 38,713.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.