Home / 39,466.65-54,463.05-21,561.72

Finding the Fourth Proportional to 39,466.65, 54,463.05 and 21,561.72

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Solution

The fourth proportional to 39,466.65, 54,463.05 and 21,561.72 is: 29,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,466.65 : 54,463.05 = 21,561.72 : x
  2. Step 2: Convert to fraction form
    39,466.65/54,463.05 = 21,561.72/x
  3. Step 3: Cross multiply
    39,466.65x = 54,463.05 × 21,561.72
  4. Step 4: Simplify right side
    39,466.65x = 1,174,317,034.45
  5. Step 5: Solve for x
    x = 1,174,317,034.45/39,466.65
  6. Step 6: Final answer
    x = 29,754.67

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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.