Home / 53,364.11-73,645.32-30,706.55

Finding the Fourth Proportional to 53,364.11, 73,645.32 and 30,706.55

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Solution

The fourth proportional to 53,364.11, 73,645.32 and 30,706.55 is: 42,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.11 : 73,645.32 = 30,706.55 : x
  2. Step 2: Convert to fraction form
    53,364.11/73,645.32 = 30,706.55/x
  3. Step 3: Cross multiply
    53,364.11x = 73,645.32 × 30,706.55
  4. Step 4: Simplify right side
    53,364.11x = 2,261,393,700.85
  5. Step 5: Solve for x
    x = 2,261,393,700.85/53,364.11
  6. Step 6: Final answer
    x = 42,376.68

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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.