Home / 40,074.17-55,302.75-21,924.54

Finding the Fourth Proportional to 40,074.17, 55,302.75 and 21,924.54

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Solution

The fourth proportional to 40,074.17, 55,302.75 and 21,924.54 is: 30,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.17 : 55,302.75 = 21,924.54 : x
  2. Step 2: Convert to fraction form
    40,074.17/55,302.75 = 21,924.54/x
  3. Step 3: Cross multiply
    40,074.17x = 55,302.75 × 21,924.54
  4. Step 4: Simplify right side
    40,074.17x = 1,212,487,354.49
  5. Step 5: Solve for x
    x = 1,212,487,354.49/40,074.17
  6. Step 6: Final answer
    x = 30,256.09

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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.