Home / 53,778.31-74,215.86-29,580.29

Finding the Fourth Proportional to 53,778.31, 74,215.86 and 29,580.29

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Solution

The fourth proportional to 53,778.31, 74,215.86 and 29,580.29 is: 40,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.31 : 74,215.86 = 29,580.29 : x
  2. Step 2: Convert to fraction form
    53,778.31/74,215.86 = 29,580.29/x
  3. Step 3: Cross multiply
    53,778.31x = 74,215.86 × 29,580.29
  4. Step 4: Simplify right side
    53,778.31x = 2,195,326,846.94
  5. Step 5: Solve for x
    x = 2,195,326,846.94/53,778.31
  6. Step 6: Final answer
    x = 40,821.79

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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.