Home / 54,495.43-75,205.59-30,621.62

Finding the Fourth Proportional to 54,495.43, 75,205.59 and 30,621.62

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Solution

The fourth proportional to 54,495.43, 75,205.59 and 30,621.62 is: 42,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495.43 : 75,205.59 = 30,621.62 : x
  2. Step 2: Convert to fraction form
    54,495.43/75,205.59 = 30,621.62/x
  3. Step 3: Cross multiply
    54,495.43x = 75,205.59 × 30,621.62
  4. Step 4: Simplify right side
    54,495.43x = 2,302,916,998.86
  5. Step 5: Solve for x
    x = 2,302,916,998.86/54,495.43
  6. Step 6: Final answer
    x = 42,258.90

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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.