Home / 71,371.21-98,488.01-39,537.81

Finding the Fourth Proportional to 71,371.21, 98,488.01 and 39,537.81

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Solution

The fourth proportional to 71,371.21, 98,488.01 and 39,537.81 is: 54,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.21 : 98,488.01 = 39,537.81 : x
  2. Step 2: Convert to fraction form
    71,371.21/98,488.01 = 39,537.81/x
  3. Step 3: Cross multiply
    71,371.21x = 98,488.01 × 39,537.81
  4. Step 4: Simplify right side
    71,371.21x = 3,894,000,226.66
  5. Step 5: Solve for x
    x = 3,894,000,226.66/71,371.21
  6. Step 6: Final answer
    x = 54,559.82

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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.