Home / 54,030.87-74,553.68-30,157.54

Finding the Fourth Proportional to 54,030.87, 74,553.68 and 30,157.54

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Solution

The fourth proportional to 54,030.87, 74,553.68 and 30,157.54 is: 41,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030.87 : 74,553.68 = 30,157.54 : x
  2. Step 2: Convert to fraction form
    54,030.87/74,553.68 = 30,157.54/x
  3. Step 3: Cross multiply
    54,030.87x = 74,553.68 × 30,157.54
  4. Step 4: Simplify right side
    54,030.87x = 2,248,355,475.76
  5. Step 5: Solve for x
    x = 2,248,355,475.76/54,030.87
  6. Step 6: Final answer
    x = 41,612.42

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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.