Home / 75,550.77-113,330.21-19,391.37

Finding the Fourth Proportional to 75,550.77, 113,330.21 and 19,391.37

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Solution

The fourth proportional to 75,550.77, 113,330.21 and 19,391.37 is: 29,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,550.77 : 113,330.21 = 19,391.37 : x
  2. Step 2: Convert to fraction form
    75,550.77/113,330.21 = 19,391.37/x
  3. Step 3: Cross multiply
    75,550.77x = 113,330.21 × 19,391.37
  4. Step 4: Simplify right side
    75,550.77x = 2,197,627,937.33
  5. Step 5: Solve for x
    x = 2,197,627,937.33/75,550.77
  6. Step 6: Final answer
    x = 29,088.09

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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.