Home / 50,560.24-75,860-20,970.48

Finding the Fourth Proportional to 50,560.24, 75,860 and 20,970.48

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Solution

The fourth proportional to 50,560.24, 75,860 and 20,970.48 is: 31,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,560.24 : 75,860 = 20,970.48 : x
  2. Step 2: Convert to fraction form
    50,560.24/75,860 = 20,970.48/x
  3. Step 3: Cross multiply
    50,560.24x = 75,860 × 20,970.48
  4. Step 4: Simplify right side
    50,560.24x = 1,590,820,612.80
  5. Step 5: Solve for x
    x = 1,590,820,612.80/50,560.24
  6. Step 6: Final answer
    x = 31,463.87

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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.