Home / 54,353.99-74,994.22-31,378.18

Finding the Fourth Proportional to 54,353.99, 74,994.22 and 31,378.18

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Solution

The fourth proportional to 54,353.99, 74,994.22 and 31,378.18 is: 43,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.99 : 74,994.22 = 31,378.18 : x
  2. Step 2: Convert to fraction form
    54,353.99/74,994.22 = 31,378.18/x
  3. Step 3: Cross multiply
    54,353.99x = 74,994.22 × 31,378.18
  4. Step 4: Simplify right side
    54,353.99x = 2,353,182,025.08
  5. Step 5: Solve for x
    x = 2,353,182,025.08/54,353.99
  6. Step 6: Final answer
    x = 43,293.64

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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.