Home / 38,310.84-57,478.01-19,604.18

Finding the Fourth Proportional to 38,310.84, 57,478.01 and 19,604.18

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Solution

The fourth proportional to 38,310.84, 57,478.01 and 19,604.18 is: 29,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.84 : 57,478.01 = 19,604.18 : x
  2. Step 2: Convert to fraction form
    38,310.84/57,478.01 = 19,604.18/x
  3. Step 3: Cross multiply
    38,310.84x = 57,478.01 × 19,604.18
  4. Step 4: Simplify right side
    38,310.84x = 1,126,808,976.44
  5. Step 5: Solve for x
    x = 1,126,808,976.44/38,310.84
  6. Step 6: Final answer
    x = 29,412.28

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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.