Home / 53,318.88-73,589.04-30,975.84

Finding the Fourth Proportional to 53,318.88, 73,589.04 and 30,975.84

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Solution

The fourth proportional to 53,318.88, 73,589.04 and 30,975.84 is: 42,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.88 : 73,589.04 = 30,975.84 : x
  2. Step 2: Convert to fraction form
    53,318.88/73,589.04 = 30,975.84/x
  3. Step 3: Cross multiply
    53,318.88x = 73,589.04 × 30,975.84
  4. Step 4: Simplify right side
    53,318.88x = 2,279,482,328.79
  5. Step 5: Solve for x
    x = 2,279,482,328.79/53,318.88
  6. Step 6: Final answer
    x = 42,751.88

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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.