Home / 43,058.28-64,493.66-20,824.76

Finding the Fourth Proportional to 43,058.28, 64,493.66 and 20,824.76

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Solution

The fourth proportional to 43,058.28, 64,493.66 and 20,824.76 is: 31,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,058.28 : 64,493.66 = 20,824.76 : x
  2. Step 2: Convert to fraction form
    43,058.28/64,493.66 = 20,824.76/x
  3. Step 3: Cross multiply
    43,058.28x = 64,493.66 × 20,824.76
  4. Step 4: Simplify right side
    43,058.28x = 1,343,064,991.02
  5. Step 5: Solve for x
    x = 1,343,064,991.02/43,058.28
  6. Step 6: Final answer
    x = 31,191.79

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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.