Home / 54,328.83-74,973.33-30,455.43

Finding the Fourth Proportional to 54,328.83, 74,973.33 and 30,455.43

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Solution

The fourth proportional to 54,328.83, 74,973.33 and 30,455.43 is: 42,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.83 : 74,973.33 = 30,455.43 : x
  2. Step 2: Convert to fraction form
    54,328.83/74,973.33 = 30,455.43/x
  3. Step 3: Cross multiply
    54,328.83x = 74,973.33 × 30,455.43
  4. Step 4: Simplify right side
    54,328.83x = 2,283,345,003.68
  5. Step 5: Solve for x
    x = 2,283,345,003.68/54,328.83
  6. Step 6: Final answer
    x = 42,028.24

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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.