Home / 38,445.33-57,668.42-13,485.99

Finding the Fourth Proportional to 38,445.33, 57,668.42 and 13,485.99

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Solution

The fourth proportional to 38,445.33, 57,668.42 and 13,485.99 is: 20,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.33 : 57,668.42 = 13,485.99 : x
  2. Step 2: Convert to fraction form
    38,445.33/57,668.42 = 13,485.99/x
  3. Step 3: Cross multiply
    38,445.33x = 57,668.42 × 13,485.99
  4. Step 4: Simplify right side
    38,445.33x = 777,715,985.41
  5. Step 5: Solve for x
    x = 777,715,985.41/38,445.33
  6. Step 6: Final answer
    x = 20,229.14

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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.