Home / 33,235.92-45,866.11-18,128.58

Finding the Fourth Proportional to 33,235.92, 45,866.11 and 18,128.58

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Solution

The fourth proportional to 33,235.92, 45,866.11 and 18,128.58 is: 25,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,235.92 : 45,866.11 = 18,128.58 : x
  2. Step 2: Convert to fraction form
    33,235.92/45,866.11 = 18,128.58/x
  3. Step 3: Cross multiply
    33,235.92x = 45,866.11 × 18,128.58
  4. Step 4: Simplify right side
    33,235.92x = 831,487,444.42
  5. Step 5: Solve for x
    x = 831,487,444.42/33,235.92
  6. Step 6: Final answer
    x = 25,017.74

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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.