Home / 38,778.32-58,177.56-11,076.32

Finding the Fourth Proportional to 38,778.32, 58,177.56 and 11,076.32

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Solution

The fourth proportional to 38,778.32, 58,177.56 and 11,076.32 is: 16,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.32 : 58,177.56 = 11,076.32 : x
  2. Step 2: Convert to fraction form
    38,778.32/58,177.56 = 11,076.32/x
  3. Step 3: Cross multiply
    38,778.32x = 58,177.56 × 11,076.32
  4. Step 4: Simplify right side
    38,778.32x = 644,393,271.38
  5. Step 5: Solve for x
    x = 644,393,271.38/38,778.32
  6. Step 6: Final answer
    x = 16,617.36

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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.