Home / 63,311.61-87,396.89-39,450.06

Finding the Fourth Proportional to 63,311.61, 87,396.89 and 39,450.06

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Solution

The fourth proportional to 63,311.61, 87,396.89 and 39,450.06 is: 54,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,311.61 : 87,396.89 = 39,450.06 : x
  2. Step 2: Convert to fraction form
    63,311.61/87,396.89 = 39,450.06/x
  3. Step 3: Cross multiply
    63,311.61x = 87,396.89 × 39,450.06
  4. Step 4: Simplify right side
    63,311.61x = 3,447,812,357.06
  5. Step 5: Solve for x
    x = 3,447,812,357.06/63,311.61
  6. Step 6: Final answer
    x = 54,457.82

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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.