Home / 38,420.73-57,600.45-25,783.92

Finding the Fourth Proportional to 38,420.73, 57,600.45 and 25,783.92

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Solution

The fourth proportional to 38,420.73, 57,600.45 and 25,783.92 is: 38,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.73 : 57,600.45 = 25,783.92 : x
  2. Step 2: Convert to fraction form
    38,420.73/57,600.45 = 25,783.92/x
  3. Step 3: Cross multiply
    38,420.73x = 57,600.45 × 25,783.92
  4. Step 4: Simplify right side
    38,420.73x = 1,485,165,394.76
  5. Step 5: Solve for x
    x = 1,485,165,394.76/38,420.73
  6. Step 6: Final answer
    x = 38,655.31

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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.