Home / 38,496.78-57,771.15-13,536.98

Finding the Fourth Proportional to 38,496.78, 57,771.15 and 13,536.98

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Solution

The fourth proportional to 38,496.78, 57,771.15 and 13,536.98 is: 20,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.78 : 57,771.15 = 13,536.98 : x
  2. Step 2: Convert to fraction form
    38,496.78/57,771.15 = 13,536.98/x
  3. Step 3: Cross multiply
    38,496.78x = 57,771.15 × 13,536.98
  4. Step 4: Simplify right side
    38,496.78x = 782,046,613.27
  5. Step 5: Solve for x
    x = 782,046,613.27/38,496.78
  6. Step 6: Final answer
    x = 20,314.60

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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.