Home / 36,250.72-54,377.84-12,880.64

Finding the Fourth Proportional to 36,250.72, 54,377.84 and 12,880.64

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Solution

The fourth proportional to 36,250.72, 54,377.84 and 12,880.64 is: 19,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,250.72 : 54,377.84 = 12,880.64 : x
  2. Step 2: Convert to fraction form
    36,250.72/54,377.84 = 12,880.64/x
  3. Step 3: Cross multiply
    36,250.72x = 54,377.84 × 12,880.64
  4. Step 4: Simplify right side
    36,250.72x = 700,421,381.02
  5. Step 5: Solve for x
    x = 700,421,381.02/36,250.72
  6. Step 6: Final answer
    x = 19,321.59

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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.