Home / 20,498.19-30,744.23-5,705.57

Finding the Fourth Proportional to 20,498.19, 30,744.23 and 5,705.57

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Solution

The fourth proportional to 20,498.19, 30,744.23 and 5,705.57 is: 8,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.19 : 30,744.23 = 5,705.57 : x
  2. Step 2: Convert to fraction form
    20,498.19/30,744.23 = 5,705.57/x
  3. Step 3: Cross multiply
    20,498.19x = 30,744.23 × 5,705.57
  4. Step 4: Simplify right side
    20,498.19x = 175,413,174.11
  5. Step 5: Solve for x
    x = 175,413,174.11/20,498.19
  6. Step 6: Final answer
    x = 8,557.50

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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.