Home / 39,219.07-58,828.61-15,861.91

Finding the Fourth Proportional to 39,219.07, 58,828.61 and 15,861.91

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Solution

The fourth proportional to 39,219.07, 58,828.61 and 15,861.91 is: 23,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.07 : 58,828.61 = 15,861.91 : x
  2. Step 2: Convert to fraction form
    39,219.07/58,828.61 = 15,861.91/x
  3. Step 3: Cross multiply
    39,219.07x = 58,828.61 × 15,861.91
  4. Step 4: Simplify right side
    39,219.07x = 933,134,117.25
  5. Step 5: Solve for x
    x = 933,134,117.25/39,219.07
  6. Step 6: Final answer
    x = 23,792.87

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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.