Home / 34,363.36-51,561.30-18,780.52

Finding the Fourth Proportional to 34,363.36, 51,561.30 and 18,780.52

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Solution

The fourth proportional to 34,363.36, 51,561.30 and 18,780.52 is: 28,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.36 : 51,561.30 = 18,780.52 : x
  2. Step 2: Convert to fraction form
    34,363.36/51,561.30 = 18,780.52/x
  3. Step 3: Cross multiply
    34,363.36x = 51,561.30 × 18,780.52
  4. Step 4: Simplify right side
    34,363.36x = 968,348,025.88
  5. Step 5: Solve for x
    x = 968,348,025.88/34,363.36
  6. Step 6: Final answer
    x = 28,179.67

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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.