Home / 47,638.98-71,455.59-21,336.66

Finding the Fourth Proportional to 47,638.98, 71,455.59 and 21,336.66

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Solution

The fourth proportional to 47,638.98, 71,455.59 and 21,336.66 is: 32,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.98 : 71,455.59 = 21,336.66 : x
  2. Step 2: Convert to fraction form
    47,638.98/71,455.59 = 21,336.66/x
  3. Step 3: Cross multiply
    47,638.98x = 71,455.59 × 21,336.66
  4. Step 4: Simplify right side
    47,638.98x = 1,524,623,628.93
  5. Step 5: Solve for x
    x = 1,524,623,628.93/47,638.98
  6. Step 6: Final answer
    x = 32,003.70

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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.