Home / 43,130.36-64,694.93-13,549.97

Finding the Fourth Proportional to 43,130.36, 64,694.93 and 13,549.97

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Solution

The fourth proportional to 43,130.36, 64,694.93 and 13,549.97 is: 20,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,130.36 : 64,694.93 = 13,549.97 : x
  2. Step 2: Convert to fraction form
    43,130.36/64,694.93 = 13,549.97/x
  3. Step 3: Cross multiply
    43,130.36x = 64,694.93 × 13,549.97
  4. Step 4: Simplify right side
    43,130.36x = 876,613,969.43
  5. Step 5: Solve for x
    x = 876,613,969.43/43,130.36
  6. Step 6: Final answer
    x = 20,324.76

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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.