Home / 54,128.31-74,698.64-29,600.56

Finding the Fourth Proportional to 54,128.31, 74,698.64 and 29,600.56

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Solution

The fourth proportional to 54,128.31, 74,698.64 and 29,600.56 is: 40,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.31 : 74,698.64 = 29,600.56 : x
  2. Step 2: Convert to fraction form
    54,128.31/74,698.64 = 29,600.56/x
  3. Step 3: Cross multiply
    54,128.31x = 74,698.64 × 29,600.56
  4. Step 4: Simplify right side
    54,128.31x = 2,211,121,835.99
  5. Step 5: Solve for x
    x = 2,211,121,835.99/54,128.31
  6. Step 6: Final answer
    x = 40,849.64

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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.