Home / 38,418.24-57,653.28-13,458.48

Finding the Fourth Proportional to 38,418.24, 57,653.28 and 13,458.48

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Solution

The fourth proportional to 38,418.24, 57,653.28 and 13,458.48 is: 20,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,418.24 : 57,653.28 = 13,458.48 : x
  2. Step 2: Convert to fraction form
    38,418.24/57,653.28 = 13,458.48/x
  3. Step 3: Cross multiply
    38,418.24x = 57,653.28 × 13,458.48
  4. Step 4: Simplify right side
    38,418.24x = 775,925,515.81
  5. Step 5: Solve for x
    x = 775,925,515.81/38,418.24
  6. Step 6: Final answer
    x = 20,196.80

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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.