Home / 54,128.16-74,648.48-33,986.96

Finding the Fourth Proportional to 54,128.16, 74,648.48 and 33,986.96

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Solution

The fourth proportional to 54,128.16, 74,648.48 and 33,986.96 is: 46,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.16 : 74,648.48 = 33,986.96 : x
  2. Step 2: Convert to fraction form
    54,128.16/74,648.48 = 33,986.96/x
  3. Step 3: Cross multiply
    54,128.16x = 74,648.48 × 33,986.96
  4. Step 4: Simplify right side
    54,128.16x = 2,537,074,903.82
  5. Step 5: Solve for x
    x = 2,537,074,903.82/54,128.16
  6. Step 6: Final answer
    x = 46,871.63

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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.