Home / 51,380.69-76,877.23-30,332.18

Finding the Fourth Proportional to 51,380.69, 76,877.23 and 30,332.18

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Solution

The fourth proportional to 51,380.69, 76,877.23 and 30,332.18 is: 45,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380.69 : 76,877.23 = 30,332.18 : x
  2. Step 2: Convert to fraction form
    51,380.69/76,877.23 = 30,332.18/x
  3. Step 3: Cross multiply
    51,380.69x = 76,877.23 × 30,332.18
  4. Step 4: Simplify right side
    51,380.69x = 2,331,853,631.79
  5. Step 5: Solve for x
    x = 2,331,853,631.79/51,380.69
  6. Step 6: Final answer
    x = 45,383.86

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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.