Home / 49,937.64-74,841.66-20,321.07

Finding the Fourth Proportional to 49,937.64, 74,841.66 and 20,321.07

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Solution

The fourth proportional to 49,937.64, 74,841.66 and 20,321.07 is: 30,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,937.64 : 74,841.66 = 20,321.07 : x
  2. Step 2: Convert to fraction form
    49,937.64/74,841.66 = 20,321.07/x
  3. Step 3: Cross multiply
    49,937.64x = 74,841.66 × 20,321.07
  4. Step 4: Simplify right side
    49,937.64x = 1,520,862,611.78
  5. Step 5: Solve for x
    x = 1,520,862,611.78/49,937.64
  6. Step 6: Final answer
    x = 30,455.24

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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.