Home / 35,391.79-53,120.49-17,873.92

Finding the Fourth Proportional to 35,391.79, 53,120.49 and 17,873.92

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Solution

The fourth proportional to 35,391.79, 53,120.49 and 17,873.92 is: 26,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.79 : 53,120.49 = 17,873.92 : x
  2. Step 2: Convert to fraction form
    35,391.79/53,120.49 = 17,873.92/x
  3. Step 3: Cross multiply
    35,391.79x = 53,120.49 × 17,873.92
  4. Step 4: Simplify right side
    35,391.79x = 949,471,388.62
  5. Step 5: Solve for x
    x = 949,471,388.62/35,391.79
  6. Step 6: Final answer
    x = 26,827.45

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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.