Home / 36,277.55-54,412.22-12,580.72

Finding the Fourth Proportional to 36,277.55, 54,412.22 and 12,580.72

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Solution

The fourth proportional to 36,277.55, 54,412.22 and 12,580.72 is: 18,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,277.55 : 54,412.22 = 12,580.72 : x
  2. Step 2: Convert to fraction form
    36,277.55/54,412.22 = 12,580.72/x
  3. Step 3: Cross multiply
    36,277.55x = 54,412.22 × 12,580.72
  4. Step 4: Simplify right side
    36,277.55x = 684,544,746.74
  5. Step 5: Solve for x
    x = 684,544,746.74/36,277.55
  6. Step 6: Final answer
    x = 18,869.65

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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.