Home / 48,466.50-72,647.37-20,380.02

Finding the Fourth Proportional to 48,466.50, 72,647.37 and 20,380.02

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Solution

The fourth proportional to 48,466.50, 72,647.37 and 20,380.02 is: 30,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,466.50 : 72,647.37 = 20,380.02 : x
  2. Step 2: Convert to fraction form
    48,466.50/72,647.37 = 20,380.02/x
  3. Step 3: Cross multiply
    48,466.50x = 72,647.37 × 20,380.02
  4. Step 4: Simplify right side
    48,466.50x = 1,480,554,853.55
  5. Step 5: Solve for x
    x = 1,480,554,853.55/48,466.50
  6. Step 6: Final answer
    x = 30,548.00

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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.