Home / 36,292.66-54,422.58-12,919.72

Finding the Fourth Proportional to 36,292.66, 54,422.58 and 12,919.72

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Solution

The fourth proportional to 36,292.66, 54,422.58 and 12,919.72 is: 19,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,292.66 : 54,422.58 = 12,919.72 : x
  2. Step 2: Convert to fraction form
    36,292.66/54,422.58 = 12,919.72/x
  3. Step 3: Cross multiply
    36,292.66x = 54,422.58 × 12,919.72
  4. Step 4: Simplify right side
    36,292.66x = 703,124,495.28
  5. Step 5: Solve for x
    x = 703,124,495.28/36,292.66
  6. Step 6: Final answer
    x = 19,373.74

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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.