Home / 35,920.49-53,867.77-15,145.61

Finding the Fourth Proportional to 35,920.49, 53,867.77 and 15,145.61

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Solution

The fourth proportional to 35,920.49, 53,867.77 and 15,145.61 is: 22,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.49 : 53,867.77 = 15,145.61 : x
  2. Step 2: Convert to fraction form
    35,920.49/53,867.77 = 15,145.61/x
  3. Step 3: Cross multiply
    35,920.49x = 53,867.77 × 15,145.61
  4. Step 4: Simplify right side
    35,920.49x = 815,859,928.79
  5. Step 5: Solve for x
    x = 815,859,928.79/35,920.49
  6. Step 6: Final answer
    x = 22,712.94

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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.