Home / 49,953.24-74,934.18-20,373.12

Finding the Fourth Proportional to 49,953.24, 74,934.18 and 20,373.12

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Solution

The fourth proportional to 49,953.24, 74,934.18 and 20,373.12 is: 30,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.24 : 74,934.18 = 20,373.12 : x
  2. Step 2: Convert to fraction form
    49,953.24/74,934.18 = 20,373.12/x
  3. Step 3: Cross multiply
    49,953.24x = 74,934.18 × 20,373.12
  4. Step 4: Simplify right side
    49,953.24x = 1,526,643,041.24
  5. Step 5: Solve for x
    x = 1,526,643,041.24/49,953.24
  6. Step 6: Final answer
    x = 30,561.44

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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.