Home / 63,123.36-87,141.81-39,257.73

Finding the Fourth Proportional to 63,123.36, 87,141.81 and 39,257.73

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Solution

The fourth proportional to 63,123.36, 87,141.81 and 39,257.73 is: 54,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,123.36 : 87,141.81 = 39,257.73 : x
  2. Step 2: Convert to fraction form
    63,123.36/87,141.81 = 39,257.73/x
  3. Step 3: Cross multiply
    63,123.36x = 87,141.81 × 39,257.73
  4. Step 4: Simplify right side
    63,123.36x = 3,420,989,648.69
  5. Step 5: Solve for x
    x = 3,420,989,648.69/63,123.36
  6. Step 6: Final answer
    x = 54,195.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.