Home / 47,260.24-70,886.64-20,605.60

Finding the Fourth Proportional to 47,260.24, 70,886.64 and 20,605.60

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Solution

The fourth proportional to 47,260.24, 70,886.64 and 20,605.60 is: 30,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,260.24 : 70,886.64 = 20,605.60 : x
  2. Step 2: Convert to fraction form
    47,260.24/70,886.64 = 20,605.60/x
  3. Step 3: Cross multiply
    47,260.24x = 70,886.64 × 20,605.60
  4. Step 4: Simplify right side
    47,260.24x = 1,460,661,749.18
  5. Step 5: Solve for x
    x = 1,460,661,749.18/47,260.24
  6. Step 6: Final answer
    x = 30,906.78

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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.