Home / 39,146.31-58,719.31-14,180.52

Finding the Fourth Proportional to 39,146.31, 58,719.31 and 14,180.52

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Solution

The fourth proportional to 39,146.31, 58,719.31 and 14,180.52 is: 21,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.31 : 58,719.31 = 14,180.52 : x
  2. Step 2: Convert to fraction form
    39,146.31/58,719.31 = 14,180.52/x
  3. Step 3: Cross multiply
    39,146.31x = 58,719.31 × 14,180.52
  4. Step 4: Simplify right side
    39,146.31x = 832,670,349.84
  5. Step 5: Solve for x
    x = 832,670,349.84/39,146.31
  6. Step 6: Final answer
    x = 21,270.72

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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.