Home / 38,365.40-57,483.30-18,601.40

Finding the Fourth Proportional to 38,365.40, 57,483.30 and 18,601.40

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Solution

The fourth proportional to 38,365.40, 57,483.30 and 18,601.40 is: 27,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.40 : 57,483.30 = 18,601.40 : x
  2. Step 2: Convert to fraction form
    38,365.40/57,483.30 = 18,601.40/x
  3. Step 3: Cross multiply
    38,365.40x = 57,483.30 × 18,601.40
  4. Step 4: Simplify right side
    38,365.40x = 1,069,269,856.62
  5. Step 5: Solve for x
    x = 1,069,269,856.62/38,365.40
  6. Step 6: Final answer
    x = 27,870.68

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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.