Home / 49,455.55-74,182.47-15,721.42

Finding the Fourth Proportional to 49,455.55, 74,182.47 and 15,721.42

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Solution

The fourth proportional to 49,455.55, 74,182.47 and 15,721.42 is: 23,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.55 : 74,182.47 = 15,721.42 : x
  2. Step 2: Convert to fraction form
    49,455.55/74,182.47 = 15,721.42/x
  3. Step 3: Cross multiply
    49,455.55x = 74,182.47 × 15,721.42
  4. Step 4: Simplify right side
    49,455.55x = 1,166,253,767.51
  5. Step 5: Solve for x
    x = 1,166,253,767.51/49,455.55
  6. Step 6: Final answer
    x = 23,581.86

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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.