Home / 39,109.56-58,629.23-14,143.74

Finding the Fourth Proportional to 39,109.56, 58,629.23 and 14,143.74

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Solution

The fourth proportional to 39,109.56, 58,629.23 and 14,143.74 is: 21,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.56 : 58,629.23 = 14,143.74 : x
  2. Step 2: Convert to fraction form
    39,109.56/58,629.23 = 14,143.74/x
  3. Step 3: Cross multiply
    39,109.56x = 58,629.23 × 14,143.74
  4. Step 4: Simplify right side
    39,109.56x = 829,236,585.52
  5. Step 5: Solve for x
    x = 829,236,585.52/39,109.56
  6. Step 6: Final answer
    x = 21,202.91

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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.