Home / 54,333.87-74,980.69-30,460.55

Finding the Fourth Proportional to 54,333.87, 74,980.69 and 30,460.55

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Solution

The fourth proportional to 54,333.87, 74,980.69 and 30,460.55 is: 42,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,333.87 : 74,980.69 = 30,460.55 : x
  2. Step 2: Convert to fraction form
    54,333.87/74,980.69 = 30,460.55/x
  3. Step 3: Cross multiply
    54,333.87x = 74,980.69 × 30,460.55
  4. Step 4: Simplify right side
    54,333.87x = 2,283,952,859.44
  5. Step 5: Solve for x
    x = 2,283,952,859.44/54,333.87
  6. Step 6: Final answer
    x = 42,035.53

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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.