Home / 35,326.98-48,751.08-20,219.56

Finding the Fourth Proportional to 35,326.98, 48,751.08 and 20,219.56

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Solution

The fourth proportional to 35,326.98, 48,751.08 and 20,219.56 is: 27,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,326.98 : 48,751.08 = 20,219.56 : x
  2. Step 2: Convert to fraction form
    35,326.98/48,751.08 = 20,219.56/x
  3. Step 3: Cross multiply
    35,326.98x = 48,751.08 × 20,219.56
  4. Step 4: Simplify right side
    35,326.98x = 985,725,387.12
  5. Step 5: Solve for x
    x = 985,725,387.12/35,326.98
  6. Step 6: Final answer
    x = 27,902.91

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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.