Home / 40,109.82-55,352.35-23,993.74

Finding the Fourth Proportional to 40,109.82, 55,352.35 and 23,993.74

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Solution

The fourth proportional to 40,109.82, 55,352.35 and 23,993.74 is: 33,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.82 : 55,352.35 = 23,993.74 : x
  2. Step 2: Convert to fraction form
    40,109.82/55,352.35 = 23,993.74/x
  3. Step 3: Cross multiply
    40,109.82x = 55,352.35 × 23,993.74
  4. Step 4: Simplify right side
    40,109.82x = 1,328,109,547.15
  5. Step 5: Solve for x
    x = 1,328,109,547.15/40,109.82
  6. Step 6: Final answer
    x = 33,111.83

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Double scale
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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.