Home / 30,241.71-45,332.19-11,516.94

Finding the Fourth Proportional to 30,241.71, 45,332.19 and 11,516.94

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Solution

The fourth proportional to 30,241.71, 45,332.19 and 11,516.94 is: 17,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.71 : 45,332.19 = 11,516.94 : x
  2. Step 2: Convert to fraction form
    30,241.71/45,332.19 = 11,516.94/x
  3. Step 3: Cross multiply
    30,241.71x = 45,332.19 × 11,516.94
  4. Step 4: Simplify right side
    30,241.71x = 522,088,112.30
  5. Step 5: Solve for x
    x = 522,088,112.30/30,241.71
  6. Step 6: Final answer
    x = 17,263.84

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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.