Home / 36,290.46-54,421.64-14,100.90

Finding the Fourth Proportional to 36,290.46, 54,421.64 and 14,100.90

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Solution

The fourth proportional to 36,290.46, 54,421.64 and 14,100.90 is: 21,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.46 : 54,421.64 = 14,100.90 : x
  2. Step 2: Convert to fraction form
    36,290.46/54,421.64 = 14,100.90/x
  3. Step 3: Cross multiply
    36,290.46x = 54,421.64 × 14,100.90
  4. Step 4: Simplify right side
    36,290.46x = 767,394,103.48
  5. Step 5: Solve for x
    x = 767,394,103.48/36,290.46
  6. Step 6: Final answer
    x = 21,145.89

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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.