Home / 36,446.96-54,686.31-12,771.55

Finding the Fourth Proportional to 36,446.96, 54,686.31 and 12,771.55

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Solution

The fourth proportional to 36,446.96, 54,686.31 and 12,771.55 is: 19,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,446.96 : 54,686.31 = 12,771.55 : x
  2. Step 2: Convert to fraction form
    36,446.96/54,686.31 = 12,771.55/x
  3. Step 3: Cross multiply
    36,446.96x = 54,686.31 × 12,771.55
  4. Step 4: Simplify right side
    36,446.96x = 698,428,916.90
  5. Step 5: Solve for x
    x = 698,428,916.90/36,446.96
  6. Step 6: Final answer
    x = 19,162.88

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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.