Home / 23,815.36-35,697.12-20,342.08

Finding the Fourth Proportional to 23,815.36, 35,697.12 and 20,342.08

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Solution

The fourth proportional to 23,815.36, 35,697.12 and 20,342.08 is: 30,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.36 : 35,697.12 = 20,342.08 : x
  2. Step 2: Convert to fraction form
    23,815.36/35,697.12 = 20,342.08/x
  3. Step 3: Cross multiply
    23,815.36x = 35,697.12 × 20,342.08
  4. Step 4: Simplify right side
    23,815.36x = 726,153,670.81
  5. Step 5: Solve for x
    x = 726,153,670.81/23,815.36
  6. Step 6: Final answer
    x = 30,490.98

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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.