Home / 39,181.84-54,055.56-22,405.84

Finding the Fourth Proportional to 39,181.84, 54,055.56 and 22,405.84

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Solution

The fourth proportional to 39,181.84, 54,055.56 and 22,405.84 is: 30,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.84 : 54,055.56 = 22,405.84 : x
  2. Step 2: Convert to fraction form
    39,181.84/54,055.56 = 22,405.84/x
  3. Step 3: Cross multiply
    39,181.84x = 54,055.56 × 22,405.84
  4. Step 4: Simplify right side
    39,181.84x = 1,211,160,228.47
  5. Step 5: Solve for x
    x = 1,211,160,228.47/39,181.84
  6. Step 6: Final answer
    x = 30,911.26

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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.