Home / 47,933.47-71,909.43-21,638.22

Finding the Fourth Proportional to 47,933.47, 71,909.43 and 21,638.22

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Solution

The fourth proportional to 47,933.47, 71,909.43 and 21,638.22 is: 32,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,933.47 : 71,909.43 = 21,638.22 : x
  2. Step 2: Convert to fraction form
    47,933.47/71,909.43 = 21,638.22/x
  3. Step 3: Cross multiply
    47,933.47x = 71,909.43 × 21,638.22
  4. Step 4: Simplify right side
    47,933.47x = 1,555,992,066.41
  5. Step 5: Solve for x
    x = 1,555,992,066.41/47,933.47
  6. Step 6: Final answer
    x = 32,461.49

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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.