Home / 53,638.10-74,022.88-29,764.77

Finding the Fourth Proportional to 53,638.10, 74,022.88 and 29,764.77

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Solution

The fourth proportional to 53,638.10, 74,022.88 and 29,764.77 is: 41,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.10 : 74,022.88 = 29,764.77 : x
  2. Step 2: Convert to fraction form
    53,638.10/74,022.88 = 29,764.77/x
  3. Step 3: Cross multiply
    53,638.10x = 74,022.88 × 29,764.77
  4. Step 4: Simplify right side
    53,638.10x = 2,203,274,092.31
  5. Step 5: Solve for x
    x = 2,203,274,092.31/53,638.10
  6. Step 6: Final answer
    x = 41,076.66

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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.