Home / 47,234.64-70,835.26-13,945.80

Finding the Fourth Proportional to 47,234.64, 70,835.26 and 13,945.80

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Solution

The fourth proportional to 47,234.64, 70,835.26 and 13,945.80 is: 20,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,234.64 : 70,835.26 = 13,945.80 : x
  2. Step 2: Convert to fraction form
    47,234.64/70,835.26 = 13,945.80/x
  3. Step 3: Cross multiply
    47,234.64x = 70,835.26 × 13,945.80
  4. Step 4: Simplify right side
    47,234.64x = 987,854,368.91
  5. Step 5: Solve for x
    x = 987,854,368.91/47,234.64
  6. Step 6: Final answer
    x = 20,913.77

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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.