Home / 43,093.09-64,639.64-13,513.51

Finding the Fourth Proportional to 43,093.09, 64,639.64 and 13,513.51

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Solution

The fourth proportional to 43,093.09, 64,639.64 and 13,513.51 is: 20,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,093.09 : 64,639.64 = 13,513.51 : x
  2. Step 2: Convert to fraction form
    43,093.09/64,639.64 = 13,513.51/x
  3. Step 3: Cross multiply
    43,093.09x = 64,639.64 × 13,513.51
  4. Step 4: Simplify right side
    43,093.09x = 873,508,421.54
  5. Step 5: Solve for x
    x = 873,508,421.54/43,093.09
  6. Step 6: Final answer
    x = 20,270.27

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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.