Home / 54,012.21-74,540.76-31,364.28

Finding the Fourth Proportional to 54,012.21, 74,540.76 and 31,364.28

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Solution

The fourth proportional to 54,012.21, 74,540.76 and 31,364.28 is: 43,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.21 : 74,540.76 = 31,364.28 : x
  2. Step 2: Convert to fraction form
    54,012.21/74,540.76 = 31,364.28/x
  3. Step 3: Cross multiply
    54,012.21x = 74,540.76 × 31,364.28
  4. Step 4: Simplify right side
    54,012.21x = 2,337,917,268.05
  5. Step 5: Solve for x
    x = 2,337,917,268.05/54,012.21
  6. Step 6: Final answer
    x = 43,284.98

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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.