Home / 36,633.02-54,952.78-19,985.90

Finding the Fourth Proportional to 36,633.02, 54,952.78 and 19,985.90

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Solution

The fourth proportional to 36,633.02, 54,952.78 and 19,985.90 is: 29,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,633.02 : 54,952.78 = 19,985.90 : x
  2. Step 2: Convert to fraction form
    36,633.02/54,952.78 = 19,985.90/x
  3. Step 3: Cross multiply
    36,633.02x = 54,952.78 × 19,985.90
  4. Step 4: Simplify right side
    36,633.02x = 1,098,280,765.80
  5. Step 5: Solve for x
    x = 1,098,280,765.80/36,633.02
  6. Step 6: Final answer
    x = 29,980.62

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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.