Home / 38,229.18-52,756.32-21,462.18

Finding the Fourth Proportional to 38,229.18, 52,756.32 and 21,462.18

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Solution

The fourth proportional to 38,229.18, 52,756.32 and 21,462.18 is: 29,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.18 : 52,756.32 = 21,462.18 : x
  2. Step 2: Convert to fraction form
    38,229.18/52,756.32 = 21,462.18/x
  3. Step 3: Cross multiply
    38,229.18x = 52,756.32 × 21,462.18
  4. Step 4: Simplify right side
    38,229.18x = 1,132,265,635.98
  5. Step 5: Solve for x
    x = 1,132,265,635.98/38,229.18
  6. Step 6: Final answer
    x = 29,617.84

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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.