Home / 49,621.62-74,432.31-21,538.03

Finding the Fourth Proportional to 49,621.62, 74,432.31 and 21,538.03

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Solution

The fourth proportional to 49,621.62, 74,432.31 and 21,538.03 is: 32,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,621.62 : 74,432.31 = 21,538.03 : x
  2. Step 2: Convert to fraction form
    49,621.62/74,432.31 = 21,538.03/x
  3. Step 3: Cross multiply
    49,621.62x = 74,432.31 × 21,538.03
  4. Step 4: Simplify right side
    49,621.62x = 1,603,125,325.75
  5. Step 5: Solve for x
    x = 1,603,125,325.75/49,621.62
  6. Step 6: Final answer
    x = 32,307.00

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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.