Home / 54,043.87-74,574.88-31,378.44

Finding the Fourth Proportional to 54,043.87, 74,574.88 and 31,378.44

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Solution

The fourth proportional to 54,043.87, 74,574.88 and 31,378.44 is: 43,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,043.87 : 74,574.88 = 31,378.44 : x
  2. Step 2: Convert to fraction form
    54,043.87/74,574.88 = 31,378.44/x
  3. Step 3: Cross multiply
    54,043.87x = 74,574.88 × 31,378.44
  4. Step 4: Simplify right side
    54,043.87x = 2,340,043,328.24
  5. Step 5: Solve for x
    x = 2,340,043,328.24/54,043.87
  6. Step 6: Final answer
    x = 43,298.96

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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.