Home / 43,324.59-64,986.37-13,742.68

Finding the Fourth Proportional to 43,324.59, 64,986.37 and 13,742.68

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Solution

The fourth proportional to 43,324.59, 64,986.37 and 13,742.68 is: 20,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.59 : 64,986.37 = 13,742.68 : x
  2. Step 2: Convert to fraction form
    43,324.59/64,986.37 = 13,742.68/x
  3. Step 3: Cross multiply
    43,324.59x = 64,986.37 × 13,742.68
  4. Step 4: Simplify right side
    43,324.59x = 893,086,818.56
  5. Step 5: Solve for x
    x = 893,086,818.56/43,324.59
  6. Step 6: Final answer
    x = 20,613.86

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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.