Home / 54,291.51-74,920.21-30,416.99

Finding the Fourth Proportional to 54,291.51, 74,920.21 and 30,416.99

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Solution

The fourth proportional to 54,291.51, 74,920.21 and 30,416.99 is: 41,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291.51 : 74,920.21 = 30,416.99 : x
  2. Step 2: Convert to fraction form
    54,291.51/74,920.21 = 30,416.99/x
  3. Step 3: Cross multiply
    54,291.51x = 74,920.21 × 30,416.99
  4. Step 4: Simplify right side
    54,291.51x = 2,278,846,827.72
  5. Step 5: Solve for x
    x = 2,278,846,827.72/54,291.51
  6. Step 6: Final answer
    x = 41,974.28

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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.