Home / 36,140.14-54,242.61-30,253.87

Finding the Fourth Proportional to 36,140.14, 54,242.61 and 30,253.87

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Solution

The fourth proportional to 36,140.14, 54,242.61 and 30,253.87 is: 45,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.14 : 54,242.61 = 30,253.87 : x
  2. Step 2: Convert to fraction form
    36,140.14/54,242.61 = 30,253.87/x
  3. Step 3: Cross multiply
    36,140.14x = 54,242.61 × 30,253.87
  4. Step 4: Simplify right side
    36,140.14x = 1,641,048,871.40
  5. Step 5: Solve for x
    x = 1,641,048,871.40/36,140.14
  6. Step 6: Final answer
    x = 45,407.93

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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.