Home / 74,273.27-111,402-20,963.93

Finding the Fourth Proportional to 74,273.27, 111,402 and 20,963.93

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Solution

The fourth proportional to 74,273.27, 111,402 and 20,963.93 is: 31,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.27 : 111,402 = 20,963.93 : x
  2. Step 2: Convert to fraction form
    74,273.27/111,402 = 20,963.93/x
  3. Step 3: Cross multiply
    74,273.27x = 111,402 × 20,963.93
  4. Step 4: Simplify right side
    74,273.27x = 2,335,423,172.85
  5. Step 5: Solve for x
    x = 2,335,423,172.85/74,273.27
  6. Step 6: Final answer
    x = 31,443.66

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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.