Home / 49,092.12-73,638.48-20,988.50

Finding the Fourth Proportional to 49,092.12, 73,638.48 and 20,988.50

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Solution

The fourth proportional to 49,092.12, 73,638.48 and 20,988.50 is: 31,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,092.12 : 73,638.48 = 20,988.50 : x
  2. Step 2: Convert to fraction form
    49,092.12/73,638.48 = 20,988.50/x
  3. Step 3: Cross multiply
    49,092.12x = 73,638.48 × 20,988.50
  4. Step 4: Simplify right side
    49,092.12x = 1,545,561,237.48
  5. Step 5: Solve for x
    x = 1,545,561,237.48/49,092.12
  6. Step 6: Final answer
    x = 31,482.88

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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.