Home / 54,327.21-74,974.70-30,461.56

Finding the Fourth Proportional to 54,327.21, 74,974.70 and 30,461.56

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Solution

The fourth proportional to 54,327.21, 74,974.70 and 30,461.56 is: 42,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.21 : 74,974.70 = 30,461.56 : x
  2. Step 2: Convert to fraction form
    54,327.21/74,974.70 = 30,461.56/x
  3. Step 3: Cross multiply
    54,327.21x = 74,974.70 × 30,461.56
  4. Step 4: Simplify right side
    54,327.21x = 2,283,846,322.53
  5. Step 5: Solve for x
    x = 2,283,846,322.53/54,327.21
  6. Step 6: Final answer
    x = 42,038.72

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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.