Home / 74,320.76-111,466.56-21,717.97

Finding the Fourth Proportional to 74,320.76, 111,466.56 and 21,717.97

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Solution

The fourth proportional to 74,320.76, 111,466.56 and 21,717.97 is: 32,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.76 : 111,466.56 = 21,717.97 : x
  2. Step 2: Convert to fraction form
    74,320.76/111,466.56 = 21,717.97/x
  3. Step 3: Cross multiply
    74,320.76x = 111,466.56 × 21,717.97
  4. Step 4: Simplify right side
    74,320.76x = 2,420,827,406.08
  5. Step 5: Solve for x
    x = 2,420,827,406.08/74,320.76
  6. Step 6: Final answer
    x = 32,572.69

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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.