Home / 36,152.08-54,214.64-12,453

Finding the Fourth Proportional to 36,152.08, 54,214.64 and 12,453

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Solution

The fourth proportional to 36,152.08, 54,214.64 and 12,453 is: 18,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,152.08 : 54,214.64 = 12,453 : x
  2. Step 2: Convert to fraction form
    36,152.08/54,214.64 = 12,453/x
  3. Step 3: Cross multiply
    36,152.08x = 54,214.64 × 12,453
  4. Step 4: Simplify right side
    36,152.08x = 675,134,911.92
  5. Step 5: Solve for x
    x = 675,134,911.92/36,152.08
  6. Step 6: Final answer
    x = 18,674.86

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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.