Home / 36,272.42-54,419.16-12,900.68

Finding the Fourth Proportional to 36,272.42, 54,419.16 and 12,900.68

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Solution

The fourth proportional to 36,272.42, 54,419.16 and 12,900.68 is: 19,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,272.42 : 54,419.16 = 12,900.68 : x
  2. Step 2: Convert to fraction form
    36,272.42/54,419.16 = 12,900.68/x
  3. Step 3: Cross multiply
    36,272.42x = 54,419.16 × 12,900.68
  4. Step 4: Simplify right side
    36,272.42x = 702,044,169.03
  5. Step 5: Solve for x
    x = 702,044,169.03/36,272.42
  6. Step 6: Final answer
    x = 19,354.77

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1.5x scale

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.