Home / 19,539.70-29,306.49-5,500.78

Finding the Fourth Proportional to 19,539.70, 29,306.49 and 5,500.78

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Solution

The fourth proportional to 19,539.70, 29,306.49 and 5,500.78 is: 8,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.70 : 29,306.49 = 5,500.78 : x
  2. Step 2: Convert to fraction form
    19,539.70/29,306.49 = 5,500.78/x
  3. Step 3: Cross multiply
    19,539.70x = 29,306.49 × 5,500.78
  4. Step 4: Simplify right side
    19,539.70x = 161,208,554.06
  5. Step 5: Solve for x
    x = 161,208,554.06/19,539.70
  6. Step 6: Final answer
    x = 8,250.31

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1.5x scale

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.