Home / 29,507.72-40,718.99-16,078.33

Finding the Fourth Proportional to 29,507.72, 40,718.99 and 16,078.33

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Solution

The fourth proportional to 29,507.72, 40,718.99 and 16,078.33 is: 22,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.72 : 40,718.99 = 16,078.33 : x
  2. Step 2: Convert to fraction form
    29,507.72/40,718.99 = 16,078.33/x
  3. Step 3: Cross multiply
    29,507.72x = 40,718.99 × 16,078.33
  4. Step 4: Simplify right side
    29,507.72x = 654,693,358.49
  5. Step 5: Solve for x
    x = 654,693,358.49/29,507.72
  6. Step 6: Final answer
    x = 22,187.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.