Home / 38,269.46-52,812.48-21,042.56

Finding the Fourth Proportional to 38,269.46, 52,812.48 and 21,042.56

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Solution

The fourth proportional to 38,269.46, 52,812.48 and 21,042.56 is: 29,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.46 : 52,812.48 = 21,042.56 : x
  2. Step 2: Convert to fraction form
    38,269.46/52,812.48 = 21,042.56/x
  3. Step 3: Cross multiply
    38,269.46x = 52,812.48 × 21,042.56
  4. Step 4: Simplify right side
    38,269.46x = 1,111,309,515.09
  5. Step 5: Solve for x
    x = 1,111,309,515.09/38,269.46
  6. Step 6: Final answer
    x = 29,039.07

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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.