Home / 32,728.23-45,157.98-22,640.49

Finding the Fourth Proportional to 32,728.23, 45,157.98 and 22,640.49

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Solution

The fourth proportional to 32,728.23, 45,157.98 and 22,640.49 is: 31,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,728.23 : 45,157.98 = 22,640.49 : x
  2. Step 2: Convert to fraction form
    32,728.23/45,157.98 = 22,640.49/x
  3. Step 3: Cross multiply
    32,728.23x = 45,157.98 × 22,640.49
  4. Step 4: Simplify right side
    32,728.23x = 1,022,398,794.61
  5. Step 5: Solve for x
    x = 1,022,398,794.61/32,728.23
  6. Step 6: Final answer
    x = 31,239.05

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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.