Home / 47,410.39-71,115.55-14,129.60

Finding the Fourth Proportional to 47,410.39, 71,115.55 and 14,129.60

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Solution

The fourth proportional to 47,410.39, 71,115.55 and 14,129.60 is: 21,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,410.39 : 71,115.55 = 14,129.60 : x
  2. Step 2: Convert to fraction form
    47,410.39/71,115.55 = 14,129.60/x
  3. Step 3: Cross multiply
    47,410.39x = 71,115.55 × 14,129.60
  4. Step 4: Simplify right side
    47,410.39x = 1,004,834,275.28
  5. Step 5: Solve for x
    x = 1,004,834,275.28/47,410.39
  6. Step 6: Final answer
    x = 21,194.39

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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.