Home / 36,634.88-54,956.72-12,937.56

Finding the Fourth Proportional to 36,634.88, 54,956.72 and 12,937.56

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Solution

The fourth proportional to 36,634.88, 54,956.72 and 12,937.56 is: 19,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,634.88 : 54,956.72 = 12,937.56 : x
  2. Step 2: Convert to fraction form
    36,634.88/54,956.72 = 12,937.56/x
  3. Step 3: Cross multiply
    36,634.88x = 54,956.72 × 12,937.56
  4. Step 4: Simplify right side
    36,634.88x = 711,005,862.40
  5. Step 5: Solve for x
    x = 711,005,862.40/36,634.88
  6. Step 6: Final answer
    x = 19,407.89

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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.