Home / 54,869.20-75,719.24-29,718.70

Finding the Fourth Proportional to 54,869.20, 75,719.24 and 29,718.70

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Solution

The fourth proportional to 54,869.20, 75,719.24 and 29,718.70 is: 41,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.20 : 75,719.24 = 29,718.70 : x
  2. Step 2: Convert to fraction form
    54,869.20/75,719.24 = 29,718.70/x
  3. Step 3: Cross multiply
    54,869.20x = 75,719.24 × 29,718.70
  4. Step 4: Simplify right side
    54,869.20x = 2,250,277,151.34
  5. Step 5: Solve for x
    x = 2,250,277,151.34/54,869.20
  6. Step 6: Final answer
    x = 41,011.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.