Home / 57,838.28-86,732.94-18,384.80

Finding the Fourth Proportional to 57,838.28, 86,732.94 and 18,384.80

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Solution

The fourth proportional to 57,838.28, 86,732.94 and 18,384.80 is: 27,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.28 : 86,732.94 = 18,384.80 : x
  2. Step 2: Convert to fraction form
    57,838.28/86,732.94 = 18,384.80/x
  3. Step 3: Cross multiply
    57,838.28x = 86,732.94 × 18,384.80
  4. Step 4: Simplify right side
    57,838.28x = 1,594,567,755.31
  5. Step 5: Solve for x
    x = 1,594,567,755.31/57,838.28
  6. Step 6: Final answer
    x = 27,569.42

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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.