Home / 61,677.21-85,116.12-37,817.04

Finding the Fourth Proportional to 61,677.21, 85,116.12 and 37,817.04

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Solution

The fourth proportional to 61,677.21, 85,116.12 and 37,817.04 is: 52,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677.21 : 85,116.12 = 37,817.04 : x
  2. Step 2: Convert to fraction form
    61,677.21/85,116.12 = 37,817.04/x
  3. Step 3: Cross multiply
    61,677.21x = 85,116.12 × 37,817.04
  4. Step 4: Simplify right side
    61,677.21x = 3,218,839,714.68
  5. Step 5: Solve for x
    x = 3,218,839,714.68/61,677.21
  6. Step 6: Final answer
    x = 52,188.48

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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.