Home / 38,571.19-53,233.17-21,576.39

Finding the Fourth Proportional to 38,571.19, 53,233.17 and 21,576.39

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Solution

The fourth proportional to 38,571.19, 53,233.17 and 21,576.39 is: 29,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.19 : 53,233.17 = 21,576.39 : x
  2. Step 2: Convert to fraction form
    38,571.19/53,233.17 = 21,576.39/x
  3. Step 3: Cross multiply
    38,571.19x = 53,233.17 × 21,576.39
  4. Step 4: Simplify right side
    38,571.19x = 1,148,579,636.86
  5. Step 5: Solve for x
    x = 1,148,579,636.86/38,571.19
  6. Step 6: Final answer
    x = 29,778.17

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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.