Home / 38,331.72-57,506.82-12,036.45

Finding the Fourth Proportional to 38,331.72, 57,506.82 and 12,036.45

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Solution

The fourth proportional to 38,331.72, 57,506.82 and 12,036.45 is: 18,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.72 : 57,506.82 = 12,036.45 : x
  2. Step 2: Convert to fraction form
    38,331.72/57,506.82 = 12,036.45/x
  3. Step 3: Cross multiply
    38,331.72x = 57,506.82 × 12,036.45
  4. Step 4: Simplify right side
    38,331.72x = 692,177,963.59
  5. Step 5: Solve for x
    x = 692,177,963.59/38,331.72
  6. Step 6: Final answer
    x = 18,057.58

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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.