Home / 38,319.08-57,420.06-16,120.28

Finding the Fourth Proportional to 38,319.08, 57,420.06 and 16,120.28

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Solution

The fourth proportional to 38,319.08, 57,420.06 and 16,120.28 is: 24,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.08 : 57,420.06 = 16,120.28 : x
  2. Step 2: Convert to fraction form
    38,319.08/57,420.06 = 16,120.28/x
  3. Step 3: Cross multiply
    38,319.08x = 57,420.06 × 16,120.28
  4. Step 4: Simplify right side
    38,319.08x = 925,627,527.92
  5. Step 5: Solve for x
    x = 925,627,527.92/38,319.08
  6. Step 6: Final answer
    x = 24,155.79

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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.