Home / 54,576.04-81,781.98-36,985

Finding the Fourth Proportional to 54,576.04, 81,781.98 and 36,985

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Solution

The fourth proportional to 54,576.04, 81,781.98 and 36,985 is: 55,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.04 : 81,781.98 = 36,985 : x
  2. Step 2: Convert to fraction form
    54,576.04/81,781.98 = 36,985/x
  3. Step 3: Cross multiply
    54,576.04x = 81,781.98 × 36,985
  4. Step 4: Simplify right side
    54,576.04x = 3,024,706,530.30
  5. Step 5: Solve for x
    x = 3,024,706,530.30/54,576.04
  6. Step 6: Final answer
    x = 55,421.88

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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.