Home / 35,199.36-48,585.12-21,772.80

Finding the Fourth Proportional to 35,199.36, 48,585.12 and 21,772.80

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Solution

The fourth proportional to 35,199.36, 48,585.12 and 21,772.80 is: 30,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,199.36 : 48,585.12 = 21,772.80 : x
  2. Step 2: Convert to fraction form
    35,199.36/48,585.12 = 21,772.80/x
  3. Step 3: Cross multiply
    35,199.36x = 48,585.12 × 21,772.80
  4. Step 4: Simplify right side
    35,199.36x = 1,057,834,100.74
  5. Step 5: Solve for x
    x = 1,057,834,100.74/35,199.36
  6. Step 6: Final answer
    x = 30,052.65

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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.