Home / 38,219.10-52,745.67-21,226.62

Finding the Fourth Proportional to 38,219.10, 52,745.67 and 21,226.62

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Solution

The fourth proportional to 38,219.10, 52,745.67 and 21,226.62 is: 29,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.10 : 52,745.67 = 21,226.62 : x
  2. Step 2: Convert to fraction form
    38,219.10/52,745.67 = 21,226.62/x
  3. Step 3: Cross multiply
    38,219.10x = 52,745.67 × 21,226.62
  4. Step 4: Simplify right side
    38,219.10x = 1,119,612,293.74
  5. Step 5: Solve for x
    x = 1,119,612,293.74/38,219.10
  6. Step 6: Final answer
    x = 29,294.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.