Home / 62,878.24-94,328.90-20,761.18

Finding the Fourth Proportional to 62,878.24, 94,328.90 and 20,761.18

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Solution

The fourth proportional to 62,878.24, 94,328.90 and 20,761.18 is: 31,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.24 : 94,328.90 = 20,761.18 : x
  2. Step 2: Convert to fraction form
    62,878.24/94,328.90 = 20,761.18/x
  3. Step 3: Cross multiply
    62,878.24x = 94,328.90 × 20,761.18
  4. Step 4: Simplify right side
    62,878.24x = 1,958,379,127.11
  5. Step 5: Solve for x
    x = 1,958,379,127.11/62,878.24
  6. Step 6: Final answer
    x = 31,145.58

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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.