Home / 30,717.72-46,071.94-8,528.76

Finding the Fourth Proportional to 30,717.72, 46,071.94 and 8,528.76

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Solution

The fourth proportional to 30,717.72, 46,071.94 and 8,528.76 is: 12,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.72 : 46,071.94 = 8,528.76 : x
  2. Step 2: Convert to fraction form
    30,717.72/46,071.94 = 8,528.76/x
  3. Step 3: Cross multiply
    30,717.72x = 46,071.94 × 8,528.76
  4. Step 4: Simplify right side
    30,717.72x = 392,936,518.99
  5. Step 5: Solve for x
    x = 392,936,518.99/30,717.72
  6. Step 6: Final answer
    x = 12,791.85

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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.