Home / 50,380.16-75,570.50-15,319.71

Finding the Fourth Proportional to 50,380.16, 75,570.50 and 15,319.71

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Solution

The fourth proportional to 50,380.16, 75,570.50 and 15,319.71 is: 22,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,380.16 : 75,570.50 = 15,319.71 : x
  2. Step 2: Convert to fraction form
    50,380.16/75,570.50 = 15,319.71/x
  3. Step 3: Cross multiply
    50,380.16x = 75,570.50 × 15,319.71
  4. Step 4: Simplify right side
    50,380.16x = 1,157,718,182.85
  5. Step 5: Solve for x
    x = 1,157,718,182.85/50,380.16
  6. Step 6: Final answer
    x = 22,979.65

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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.