Home / 33,235.36-45,864.94-18,128.35

Finding the Fourth Proportional to 33,235.36, 45,864.94 and 18,128.35

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Solution

The fourth proportional to 33,235.36, 45,864.94 and 18,128.35 is: 25,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,235.36 : 45,864.94 = 18,128.35 : x
  2. Step 2: Convert to fraction form
    33,235.36/45,864.94 = 18,128.35/x
  3. Step 3: Cross multiply
    33,235.36x = 45,864.94 × 18,128.35
  4. Step 4: Simplify right side
    33,235.36x = 831,455,535.72
  5. Step 5: Solve for x
    x = 831,455,535.72/33,235.36
  6. Step 6: Final answer
    x = 25,017.20

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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.