Home / 53,749.44-74,180.34-29,878.47

Finding the Fourth Proportional to 53,749.44, 74,180.34 and 29,878.47

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Solution

The fourth proportional to 53,749.44, 74,180.34 and 29,878.47 is: 41,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,749.44 : 74,180.34 = 29,878.47 : x
  2. Step 2: Convert to fraction form
    53,749.44/74,180.34 = 29,878.47/x
  3. Step 3: Cross multiply
    53,749.44x = 74,180.34 × 29,878.47
  4. Step 4: Simplify right side
    53,749.44x = 2,216,395,063.28
  5. Step 5: Solve for x
    x = 2,216,395,063.28/53,749.44
  6. Step 6: Final answer
    x = 41,235.69

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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.