Home / 54,495.36-75,201.92-30,621.44

Finding the Fourth Proportional to 54,495.36, 75,201.92 and 30,621.44

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Solution

The fourth proportional to 54,495.36, 75,201.92 and 30,621.44 is: 42,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495.36 : 75,201.92 = 30,621.44 : x
  2. Step 2: Convert to fraction form
    54,495.36/75,201.92 = 30,621.44/x
  3. Step 3: Cross multiply
    54,495.36x = 75,201.92 × 30,621.44
  4. Step 4: Simplify right side
    54,495.36x = 2,302,791,081.16
  5. Step 5: Solve for x
    x = 2,302,791,081.16/54,495.36
  6. Step 6: Final answer
    x = 42,256.64

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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.