Home / 51,516.20-77,254.46-18,230.06

Finding the Fourth Proportional to 51,516.20, 77,254.46 and 18,230.06

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Solution

The fourth proportional to 51,516.20, 77,254.46 and 18,230.06 is: 27,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.20 : 77,254.46 = 18,230.06 : x
  2. Step 2: Convert to fraction form
    51,516.20/77,254.46 = 18,230.06/x
  3. Step 3: Cross multiply
    51,516.20x = 77,254.46 × 18,230.06
  4. Step 4: Simplify right side
    51,516.20x = 1,408,353,349.92
  5. Step 5: Solve for x
    x = 1,408,353,349.92/51,516.20
  6. Step 6: Final answer
    x = 27,338.07

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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.