Home / 43,186.94-64,777.29-13,613.24

Finding the Fourth Proportional to 43,186.94, 64,777.29 and 13,613.24

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Solution

The fourth proportional to 43,186.94, 64,777.29 and 13,613.24 is: 20,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,186.94 : 64,777.29 = 13,613.24 : x
  2. Step 2: Convert to fraction form
    43,186.94/64,777.29 = 13,613.24/x
  3. Step 3: Cross multiply
    43,186.94x = 64,777.29 × 13,613.24
  4. Step 4: Simplify right side
    43,186.94x = 881,828,727.25
  5. Step 5: Solve for x
    x = 881,828,727.25/43,186.94
  6. Step 6: Final answer
    x = 20,418.87

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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.