Home / 35,335.49-48,763.55-20,228.09

Finding the Fourth Proportional to 35,335.49, 48,763.55 and 20,228.09

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Solution

The fourth proportional to 35,335.49, 48,763.55 and 20,228.09 is: 27,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.49 : 48,763.55 = 20,228.09 : x
  2. Step 2: Convert to fraction form
    35,335.49/48,763.55 = 20,228.09/x
  3. Step 3: Cross multiply
    35,335.49x = 48,763.55 × 20,228.09
  4. Step 4: Simplify right side
    35,335.49x = 986,393,376.98
  5. Step 5: Solve for x
    x = 986,393,376.98/35,335.49
  6. Step 6: Final answer
    x = 27,915.09

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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.