Home / 38,250.86-57,384.39-11,957.59

Finding the Fourth Proportional to 38,250.86, 57,384.39 and 11,957.59

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Solution

The fourth proportional to 38,250.86, 57,384.39 and 11,957.59 is: 17,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,250.86 : 57,384.39 = 11,957.59 : x
  2. Step 2: Convert to fraction form
    38,250.86/57,384.39 = 11,957.59/x
  3. Step 3: Cross multiply
    38,250.86x = 57,384.39 × 11,957.59
  4. Step 4: Simplify right side
    38,250.86x = 686,178,721.10
  5. Step 5: Solve for x
    x = 686,178,721.10/38,250.86
  6. Step 6: Final answer
    x = 17,938.91

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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.