Home / 54,298.89-74,933.96-30,427.11

Finding the Fourth Proportional to 54,298.89, 74,933.96 and 30,427.11

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Solution

The fourth proportional to 54,298.89, 74,933.96 and 30,427.11 is: 41,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.89 : 74,933.96 = 30,427.11 : x
  2. Step 2: Convert to fraction form
    54,298.89/74,933.96 = 30,427.11/x
  3. Step 3: Cross multiply
    54,298.89x = 74,933.96 × 30,427.11
  4. Step 4: Simplify right side
    54,298.89x = 2,280,023,691.52
  5. Step 5: Solve for x
    x = 2,280,023,691.52/54,298.89
  6. Step 6: Final answer
    x = 41,990.24

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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.