Home / 52,019.28-78,020.76-16,958.76

Finding the Fourth Proportional to 52,019.28, 78,020.76 and 16,958.76

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Solution

The fourth proportional to 52,019.28, 78,020.76 and 16,958.76 is: 25,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,019.28 : 78,020.76 = 16,958.76 : x
  2. Step 2: Convert to fraction form
    52,019.28/78,020.76 = 16,958.76/x
  3. Step 3: Cross multiply
    52,019.28x = 78,020.76 × 16,958.76
  4. Step 4: Simplify right side
    52,019.28x = 1,323,135,343.86
  5. Step 5: Solve for x
    x = 1,323,135,343.86/52,019.28
  6. Step 6: Final answer
    x = 25,435.48

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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.