Home / 38,561.90-57,849.70-13,616.42

Finding the Fourth Proportional to 38,561.90, 57,849.70 and 13,616.42

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Solution

The fourth proportional to 38,561.90, 57,849.70 and 13,616.42 is: 20,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.90 : 57,849.70 = 13,616.42 : x
  2. Step 2: Convert to fraction form
    38,561.90/57,849.70 = 13,616.42/x
  3. Step 3: Cross multiply
    38,561.90x = 57,849.70 × 13,616.42
  4. Step 4: Simplify right side
    38,561.90x = 787,705,812.07
  5. Step 5: Solve for x
    x = 787,705,812.07/38,561.90
  6. Step 6: Final answer
    x = 20,427.05

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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.