Home / 39,147.23-58,718.75-13,844.99

Finding the Fourth Proportional to 39,147.23, 58,718.75 and 13,844.99

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Solution

The fourth proportional to 39,147.23, 58,718.75 and 13,844.99 is: 20,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.23 : 58,718.75 = 13,844.99 : x
  2. Step 2: Convert to fraction form
    39,147.23/58,718.75 = 13,844.99/x
  3. Step 3: Cross multiply
    39,147.23x = 58,718.75 × 13,844.99
  4. Step 4: Simplify right side
    39,147.23x = 812,960,541.17
  5. Step 5: Solve for x
    x = 812,960,541.17/39,147.23
  6. Step 6: Final answer
    x = 20,766.74

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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.