Home / 50,153.87-69,213.12-30,011.60

Finding the Fourth Proportional to 50,153.87, 69,213.12 and 30,011.60

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Solution

The fourth proportional to 50,153.87, 69,213.12 and 30,011.60 is: 41,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,153.87 : 69,213.12 = 30,011.60 : x
  2. Step 2: Convert to fraction form
    50,153.87/69,213.12 = 30,011.60/x
  3. Step 3: Cross multiply
    50,153.87x = 69,213.12 × 30,011.60
  4. Step 4: Simplify right side
    50,153.87x = 2,077,196,126.13
  5. Step 5: Solve for x
    x = 2,077,196,126.13/50,153.87
  6. Step 6: Final answer
    x = 41,416.47

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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.