Home / 39,151.08-58,732.74-12,849.84

Finding the Fourth Proportional to 39,151.08, 58,732.74 and 12,849.84

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Solution

The fourth proportional to 39,151.08, 58,732.74 and 12,849.84 is: 19,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.08 : 58,732.74 = 12,849.84 : x
  2. Step 2: Convert to fraction form
    39,151.08/58,732.74 = 12,849.84/x
  3. Step 3: Cross multiply
    39,151.08x = 58,732.74 × 12,849.84
  4. Step 4: Simplify right side
    39,151.08x = 754,706,311.76
  5. Step 5: Solve for x
    x = 754,706,311.76/39,151.08
  6. Step 6: Final answer
    x = 19,276.77

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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.