Home / 53,123.90-79,660.44-30,943.61

Finding the Fourth Proportional to 53,123.90, 79,660.44 and 30,943.61

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Solution

The fourth proportional to 53,123.90, 79,660.44 and 30,943.61 is: 46,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,123.90 : 79,660.44 = 30,943.61 : x
  2. Step 2: Convert to fraction form
    53,123.90/79,660.44 = 30,943.61/x
  3. Step 3: Cross multiply
    53,123.90x = 79,660.44 × 30,943.61
  4. Step 4: Simplify right side
    53,123.90x = 2,464,981,189.49
  5. Step 5: Solve for x
    x = 2,464,981,189.49/53,123.90
  6. Step 6: Final answer
    x = 46,400.60

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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.