Home / 33,140.47-45,735.45-18,993.35

Finding the Fourth Proportional to 33,140.47, 45,735.45 and 18,993.35

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Solution

The fourth proportional to 33,140.47, 45,735.45 and 18,993.35 is: 26,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.47 : 45,735.45 = 18,993.35 : x
  2. Step 2: Convert to fraction form
    33,140.47/45,735.45 = 18,993.35/x
  3. Step 3: Cross multiply
    33,140.47x = 45,735.45 × 18,993.35
  4. Step 4: Simplify right side
    33,140.47x = 868,669,180.58
  5. Step 5: Solve for x
    x = 868,669,180.58/33,140.47
  6. Step 6: Final answer
    x = 26,211.74

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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.