Home / 52,361.02-78,541.26-21,196

Finding the Fourth Proportional to 52,361.02, 78,541.26 and 21,196

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Solution

The fourth proportional to 52,361.02, 78,541.26 and 21,196 is: 31,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,361.02 : 78,541.26 = 21,196 : x
  2. Step 2: Convert to fraction form
    52,361.02/78,541.26 = 21,196/x
  3. Step 3: Cross multiply
    52,361.02x = 78,541.26 × 21,196
  4. Step 4: Simplify right side
    52,361.02x = 1,664,760,546.96
  5. Step 5: Solve for x
    x = 1,664,760,546.96/52,361.02
  6. Step 6: Final answer
    x = 31,793.89

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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.