Home / 33,235.89-45,866.08-18,128.55

Finding the Fourth Proportional to 33,235.89, 45,866.08 and 18,128.55

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Solution

The fourth proportional to 33,235.89, 45,866.08 and 18,128.55 is: 25,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,235.89 : 45,866.08 = 18,128.55 : x
  2. Step 2: Convert to fraction form
    33,235.89/45,866.08 = 18,128.55/x
  3. Step 3: Cross multiply
    33,235.89x = 45,866.08 × 18,128.55
  4. Step 4: Simplify right side
    33,235.89x = 831,485,479.26
  5. Step 5: Solve for x
    x = 831,485,479.26/33,235.89
  6. Step 6: Final answer
    x = 25,017.70

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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.