Home / 38,620.80-53,297.10-22,705.50

Finding the Fourth Proportional to 38,620.80, 53,297.10 and 22,705.50

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Solution

The fourth proportional to 38,620.80, 53,297.10 and 22,705.50 is: 31,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.80 : 53,297.10 = 22,705.50 : x
  2. Step 2: Convert to fraction form
    38,620.80/53,297.10 = 22,705.50/x
  3. Step 3: Cross multiply
    38,620.80x = 53,297.10 × 22,705.50
  4. Step 4: Simplify right side
    38,620.80x = 1,210,137,304.05
  5. Step 5: Solve for x
    x = 1,210,137,304.05/38,620.80
  6. Step 6: Final answer
    x = 31,333.82

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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.