Home / 30,253.91-41,744.42-18,318.36

Finding the Fourth Proportional to 30,253.91, 41,744.42 and 18,318.36

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Solution

The fourth proportional to 30,253.91, 41,744.42 and 18,318.36 is: 25,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.91 : 41,744.42 = 18,318.36 : x
  2. Step 2: Convert to fraction form
    30,253.91/41,744.42 = 18,318.36/x
  3. Step 3: Cross multiply
    30,253.91x = 41,744.42 × 18,318.36
  4. Step 4: Simplify right side
    30,253.91x = 764,689,313.55
  5. Step 5: Solve for x
    x = 764,689,313.55/30,253.91
  6. Step 6: Final answer
    x = 25,275.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.