Home / 47,245.11-70,879.85-17,663.16

Finding the Fourth Proportional to 47,245.11, 70,879.85 and 17,663.16

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Solution

The fourth proportional to 47,245.11, 70,879.85 and 17,663.16 is: 26,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.11 : 70,879.85 = 17,663.16 : x
  2. Step 2: Convert to fraction form
    47,245.11/70,879.85 = 17,663.16/x
  3. Step 3: Cross multiply
    47,245.11x = 70,879.85 × 17,663.16
  4. Step 4: Simplify right side
    47,245.11x = 1,251,962,043.01
  5. Step 5: Solve for x
    x = 1,251,962,043.01/47,245.11
  6. Step 6: Final answer
    x = 26,499.29

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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.