Home / 38,109.30-57,166.68-13,148.98

Finding the Fourth Proportional to 38,109.30, 57,166.68 and 13,148.98

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Solution

The fourth proportional to 38,109.30, 57,166.68 and 13,148.98 is: 19,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.30 : 57,166.68 = 13,148.98 : x
  2. Step 2: Convert to fraction form
    38,109.30/57,166.68 = 13,148.98/x
  3. Step 3: Cross multiply
    38,109.30x = 57,166.68 × 13,148.98
  4. Step 4: Simplify right side
    38,109.30x = 751,683,531.99
  5. Step 5: Solve for x
    x = 751,683,531.99/38,109.30
  6. Step 6: Final answer
    x = 19,724.41

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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.