Home / 50,706.57-69,974.47-28,043.78

Finding the Fourth Proportional to 50,706.57, 69,974.47 and 28,043.78

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Solution

The fourth proportional to 50,706.57, 69,974.47 and 28,043.78 is: 38,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,706.57 : 69,974.47 = 28,043.78 : x
  2. Step 2: Convert to fraction form
    50,706.57/69,974.47 = 28,043.78/x
  3. Step 3: Cross multiply
    50,706.57x = 69,974.47 × 28,043.78
  4. Step 4: Simplify right side
    50,706.57x = 1,962,348,502.08
  5. Step 5: Solve for x
    x = 1,962,348,502.08/50,706.57
  6. Step 6: Final answer
    x = 38,700.08

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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.