Home / 30,526.20-45,791.82-8,339.76

Finding the Fourth Proportional to 30,526.20, 45,791.82 and 8,339.76

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Solution

The fourth proportional to 30,526.20, 45,791.82 and 8,339.76 is: 12,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,526.20 : 45,791.82 = 8,339.76 : x
  2. Step 2: Convert to fraction form
    30,526.20/45,791.82 = 8,339.76/x
  3. Step 3: Cross multiply
    30,526.20x = 45,791.82 × 8,339.76
  4. Step 4: Simplify right side
    30,526.20x = 381,892,788.76
  5. Step 5: Solve for x
    x = 381,892,788.76/30,526.20
  6. Step 6: Final answer
    x = 12,510.33

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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.