Home / 49,823.28-74,747.04-14,285.28

Finding the Fourth Proportional to 49,823.28, 74,747.04 and 14,285.28

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Solution

The fourth proportional to 49,823.28, 74,747.04 and 14,285.28 is: 21,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,823.28 : 74,747.04 = 14,285.28 : x
  2. Step 2: Convert to fraction form
    49,823.28/74,747.04 = 14,285.28/x
  3. Step 3: Cross multiply
    49,823.28x = 74,747.04 × 14,285.28
  4. Step 4: Simplify right side
    49,823.28x = 1,067,782,395.57
  5. Step 5: Solve for x
    x = 1,067,782,395.57/49,823.28
  6. Step 6: Final answer
    x = 21,431.40

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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.