Home / 52,583.40-78,846.30-21,383.40

Finding the Fourth Proportional to 52,583.40, 78,846.30 and 21,383.40

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Solution

The fourth proportional to 52,583.40, 78,846.30 and 21,383.40 is: 32,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.40 : 78,846.30 = 21,383.40 : x
  2. Step 2: Convert to fraction form
    52,583.40/78,846.30 = 21,383.40/x
  3. Step 3: Cross multiply
    52,583.40x = 78,846.30 × 21,383.40
  4. Step 4: Simplify right side
    52,583.40x = 1,686,001,971.42
  5. Step 5: Solve for x
    x = 1,686,001,971.42/52,583.40
  6. Step 6: Final answer
    x = 32,063.39

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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.