Home / 48,231.20-72,395.40-23,291.30

Finding the Fourth Proportional to 48,231.20, 72,395.40 and 23,291.30

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Solution

The fourth proportional to 48,231.20, 72,395.40 and 23,291.30 is: 34,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,231.20 : 72,395.40 = 23,291.30 : x
  2. Step 2: Convert to fraction form
    48,231.20/72,395.40 = 23,291.30/x
  3. Step 3: Cross multiply
    48,231.20x = 72,395.40 × 23,291.30
  4. Step 4: Simplify right side
    48,231.20x = 1,686,182,980.02
  5. Step 5: Solve for x
    x = 1,686,182,980.02/48,231.20
  6. Step 6: Final answer
    x = 34,960.42

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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.