Home / 53,518.50-73,838.97-30,854.61

Finding the Fourth Proportional to 53,518.50, 73,838.97 and 30,854.61

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Solution

The fourth proportional to 53,518.50, 73,838.97 and 30,854.61 is: 42,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.50 : 73,838.97 = 30,854.61 : x
  2. Step 2: Convert to fraction form
    53,518.50/73,838.97 = 30,854.61/x
  3. Step 3: Cross multiply
    53,518.50x = 73,838.97 × 30,854.61
  4. Step 4: Simplify right side
    53,518.50x = 2,278,272,622.15
  5. Step 5: Solve for x
    x = 2,278,272,622.15/53,518.50
  6. Step 6: Final answer
    x = 42,569.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.