Home / 42,640.75-58,845.45-23,779.09

Finding the Fourth Proportional to 42,640.75, 58,845.45 and 23,779.09

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Solution

The fourth proportional to 42,640.75, 58,845.45 and 23,779.09 is: 32,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,640.75 : 58,845.45 = 23,779.09 : x
  2. Step 2: Convert to fraction form
    42,640.75/58,845.45 = 23,779.09/x
  3. Step 3: Cross multiply
    42,640.75x = 58,845.45 × 23,779.09
  4. Step 4: Simplify right side
    42,640.75x = 1,399,291,251.64
  5. Step 5: Solve for x
    x = 1,399,291,251.64/42,640.75
  6. Step 6: Final answer
    x = 32,815.82

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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.