Home / 47,905.41-71,858.13-18,332.31

Finding the Fourth Proportional to 47,905.41, 71,858.13 and 18,332.31

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Solution

The fourth proportional to 47,905.41, 71,858.13 and 18,332.31 is: 27,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.41 : 71,858.13 = 18,332.31 : x
  2. Step 2: Convert to fraction form
    47,905.41/71,858.13 = 18,332.31/x
  3. Step 3: Cross multiply
    47,905.41x = 71,858.13 × 18,332.31
  4. Step 4: Simplify right side
    47,905.41x = 1,317,325,515.18
  5. Step 5: Solve for x
    x = 1,317,325,515.18/47,905.41
  6. Step 6: Final answer
    x = 27,498.47

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Similar ratio
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1.5x scale

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.