Home / 35,939.66-53,913.18-13,771.76

Finding the Fourth Proportional to 35,939.66, 53,913.18 and 13,771.76

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Solution

The fourth proportional to 35,939.66, 53,913.18 and 13,771.76 is: 20,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.66 : 53,913.18 = 13,771.76 : x
  2. Step 2: Convert to fraction form
    35,939.66/53,913.18 = 13,771.76/x
  3. Step 3: Cross multiply
    35,939.66x = 53,913.18 × 13,771.76
  4. Step 4: Simplify right side
    35,939.66x = 742,479,375.80
  5. Step 5: Solve for x
    x = 742,479,375.80/35,939.66
  6. Step 6: Final answer
    x = 20,659.05

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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.