Home / 36,157.32-54,259.74-12,782.88

Finding the Fourth Proportional to 36,157.32, 54,259.74 and 12,782.88

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Solution

The fourth proportional to 36,157.32, 54,259.74 and 12,782.88 is: 19,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,157.32 : 54,259.74 = 12,782.88 : x
  2. Step 2: Convert to fraction form
    36,157.32/54,259.74 = 12,782.88/x
  3. Step 3: Cross multiply
    36,157.32x = 54,259.74 × 12,782.88
  4. Step 4: Simplify right side
    36,157.32x = 693,595,745.25
  5. Step 5: Solve for x
    x = 693,595,745.25/36,157.32
  6. Step 6: Final answer
    x = 19,182.72

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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.