Home / 45,858.31-68,787.47-30,272.29

Finding the Fourth Proportional to 45,858.31, 68,787.47 and 30,272.29

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Solution

The fourth proportional to 45,858.31, 68,787.47 and 30,272.29 is: 45,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,858.31 : 68,787.47 = 30,272.29 : x
  2. Step 2: Convert to fraction form
    45,858.31/68,787.47 = 30,272.29/x
  3. Step 3: Cross multiply
    45,858.31x = 68,787.47 × 30,272.29
  4. Step 4: Simplify right side
    45,858.31x = 2,082,354,240.21
  5. Step 5: Solve for x
    x = 2,082,354,240.21/45,858.31
  6. Step 6: Final answer
    x = 45,408.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.