Home / 45,203.24-67,806.48-18,871.76

Finding the Fourth Proportional to 45,203.24, 67,806.48 and 18,871.76

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Solution

The fourth proportional to 45,203.24, 67,806.48 and 18,871.76 is: 28,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,203.24 : 67,806.48 = 18,871.76 : x
  2. Step 2: Convert to fraction form
    45,203.24/67,806.48 = 18,871.76/x
  3. Step 3: Cross multiply
    45,203.24x = 67,806.48 × 18,871.76
  4. Step 4: Simplify right side
    45,203.24x = 1,279,627,617.00
  5. Step 5: Solve for x
    x = 1,279,627,617.00/45,203.24
  6. Step 6: Final answer
    x = 28,308.32

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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.