Home / 43,217.28-64,791.36-18,610.56

Finding the Fourth Proportional to 43,217.28, 64,791.36 and 18,610.56

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Solution

The fourth proportional to 43,217.28, 64,791.36 and 18,610.56 is: 27,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217.28 : 64,791.36 = 18,610.56 : x
  2. Step 2: Convert to fraction form
    43,217.28/64,791.36 = 18,610.56/x
  3. Step 3: Cross multiply
    43,217.28x = 64,791.36 × 18,610.56
  4. Step 4: Simplify right side
    43,217.28x = 1,205,803,492.76
  5. Step 5: Solve for x
    x = 1,205,803,492.76/43,217.28
  6. Step 6: Final answer
    x = 27,900.96

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1.5x scale

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.