Home / 38,419.88-57,616.44-13,459.36

Finding the Fourth Proportional to 38,419.88, 57,616.44 and 13,459.36

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Solution

The fourth proportional to 38,419.88, 57,616.44 and 13,459.36 is: 20,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419.88 : 57,616.44 = 13,459.36 : x
  2. Step 2: Convert to fraction form
    38,419.88/57,616.44 = 13,459.36/x
  3. Step 3: Cross multiply
    38,419.88x = 57,616.44 × 13,459.36
  4. Step 4: Simplify right side
    38,419.88x = 775,480,407.88
  5. Step 5: Solve for x
    x = 775,480,407.88/38,419.88
  6. Step 6: Final answer
    x = 20,184.35

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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.