Home / 53,650.96-74,032.32-29,778.64

Finding the Fourth Proportional to 53,650.96, 74,032.32 and 29,778.64

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Solution

The fourth proportional to 53,650.96, 74,032.32 and 29,778.64 is: 41,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650.96 : 74,032.32 = 29,778.64 : x
  2. Step 2: Convert to fraction form
    53,650.96/74,032.32 = 29,778.64/x
  3. Step 3: Cross multiply
    53,650.96x = 74,032.32 × 29,778.64
  4. Step 4: Simplify right side
    53,650.96x = 2,204,581,805.64
  5. Step 5: Solve for x
    x = 2,204,581,805.64/53,650.96
  6. Step 6: Final answer
    x = 41,091.19

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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.