Home / 38,358.40-57,462.28-34,178.80

Finding the Fourth Proportional to 38,358.40, 57,462.28 and 34,178.80

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Solution

The fourth proportional to 38,358.40, 57,462.28 and 34,178.80 is: 51,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.40 : 57,462.28 = 34,178.80 : x
  2. Step 2: Convert to fraction form
    38,358.40/57,462.28 = 34,178.80/x
  3. Step 3: Cross multiply
    38,358.40x = 57,462.28 × 34,178.80
  4. Step 4: Simplify right side
    38,358.40x = 1,963,991,775.66
  5. Step 5: Solve for x
    x = 1,963,991,775.66/38,358.40
  6. Step 6: Final answer
    x = 51,201.09

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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.