Home / 36,642.07-54,926.11-17,638.80

Finding the Fourth Proportional to 36,642.07, 54,926.11 and 17,638.80

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Solution

The fourth proportional to 36,642.07, 54,926.11 and 17,638.80 is: 26,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,642.07 : 54,926.11 = 17,638.80 : x
  2. Step 2: Convert to fraction form
    36,642.07/54,926.11 = 17,638.80/x
  3. Step 3: Cross multiply
    36,642.07x = 54,926.11 × 17,638.80
  4. Step 4: Simplify right side
    36,642.07x = 968,830,540.41
  5. Step 5: Solve for x
    x = 968,830,540.41/36,642.07
  6. Step 6: Final answer
    x = 26,440.39

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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.