Home / 49,443.20-74,186.40-23,134.40

Finding the Fourth Proportional to 49,443.20, 74,186.40 and 23,134.40

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Solution

The fourth proportional to 49,443.20, 74,186.40 and 23,134.40 is: 34,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443.20 : 74,186.40 = 23,134.40 : x
  2. Step 2: Convert to fraction form
    49,443.20/74,186.40 = 23,134.40/x
  3. Step 3: Cross multiply
    49,443.20x = 74,186.40 × 23,134.40
  4. Step 4: Simplify right side
    49,443.20x = 1,716,257,852.16
  5. Step 5: Solve for x
    x = 1,716,257,852.16/49,443.20
  6. Step 6: Final answer
    x = 34,711.71

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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.