Home / 33,087.10-45,662.51-18,746.81

Finding the Fourth Proportional to 33,087.10, 45,662.51 and 18,746.81

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Solution

The fourth proportional to 33,087.10, 45,662.51 and 18,746.81 is: 25,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.10 : 45,662.51 = 18,746.81 : x
  2. Step 2: Convert to fraction form
    33,087.10/45,662.51 = 18,746.81/x
  3. Step 3: Cross multiply
    33,087.10x = 45,662.51 × 18,746.81
  4. Step 4: Simplify right side
    33,087.10x = 856,026,399.09
  5. Step 5: Solve for x
    x = 856,026,399.09/33,087.10
  6. Step 6: Final answer
    x = 25,871.91

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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.