Home / 49,922.42-74,862.83-20,320.16

Finding the Fourth Proportional to 49,922.42, 74,862.83 and 20,320.16

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Solution

The fourth proportional to 49,922.42, 74,862.83 and 20,320.16 is: 30,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,922.42 : 74,862.83 = 20,320.16 : x
  2. Step 2: Convert to fraction form
    49,922.42/74,862.83 = 20,320.16/x
  3. Step 3: Cross multiply
    49,922.42x = 74,862.83 × 20,320.16
  4. Step 4: Simplify right side
    49,922.42x = 1,521,224,207.74
  5. Step 5: Solve for x
    x = 1,521,224,207.74/49,922.42
  6. Step 6: Final answer
    x = 30,471.77

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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.