Home / 42,640.11-58,840.04-23,520.60

Finding the Fourth Proportional to 42,640.11, 58,840.04 and 23,520.60

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Solution

The fourth proportional to 42,640.11, 58,840.04 and 23,520.60 is: 32,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,640.11 : 58,840.04 = 23,520.60 : x
  2. Step 2: Convert to fraction form
    42,640.11/58,840.04 = 23,520.60/x
  3. Step 3: Cross multiply
    42,640.11x = 58,840.04 × 23,520.60
  4. Step 4: Simplify right side
    42,640.11x = 1,383,952,927.22
  5. Step 5: Solve for x
    x = 1,383,952,927.22/42,640.11
  6. Step 6: Final answer
    x = 32,456.60

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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.