Home / 38,219.10-52,731.99-21,451.74

Finding the Fourth Proportional to 38,219.10, 52,731.99 and 21,451.74

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Solution

The fourth proportional to 38,219.10, 52,731.99 and 21,451.74 is: 29,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.10 : 52,731.99 = 21,451.74 : x
  2. Step 2: Convert to fraction form
    38,219.10/52,731.99 = 21,451.74/x
  3. Step 3: Cross multiply
    38,219.10x = 52,731.99 × 21,451.74
  4. Step 4: Simplify right side
    38,219.10x = 1,131,192,939.16
  5. Step 5: Solve for x
    x = 1,131,192,939.16/38,219.10
  6. Step 6: Final answer
    x = 29,597.58

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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.