Home / 38,110.31-57,200.56-19,403.72

Finding the Fourth Proportional to 38,110.31, 57,200.56 and 19,403.72

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Solution

The fourth proportional to 38,110.31, 57,200.56 and 19,403.72 is: 29,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.31 : 57,200.56 = 19,403.72 : x
  2. Step 2: Convert to fraction form
    38,110.31/57,200.56 = 19,403.72/x
  3. Step 3: Cross multiply
    38,110.31x = 57,200.56 × 19,403.72
  4. Step 4: Simplify right side
    38,110.31x = 1,109,903,639.22
  5. Step 5: Solve for x
    x = 1,109,903,639.22/38,110.31
  6. Step 6: Final answer
    x = 29,123.44

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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.