Home / 38,196.70-57,281.34-13,230.04

Finding the Fourth Proportional to 38,196.70, 57,281.34 and 13,230.04

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Solution

The fourth proportional to 38,196.70, 57,281.34 and 13,230.04 is: 19,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.70 : 57,281.34 = 13,230.04 : x
  2. Step 2: Convert to fraction form
    38,196.70/57,281.34 = 13,230.04/x
  3. Step 3: Cross multiply
    38,196.70x = 57,281.34 × 13,230.04
  4. Step 4: Simplify right side
    38,196.70x = 757,834,419.45
  5. Step 5: Solve for x
    x = 757,834,419.45/38,196.70
  6. Step 6: Final answer
    x = 19,840.31

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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.