Home / 53,844.36-80,783.01-18,787.02

Finding the Fourth Proportional to 53,844.36, 80,783.01 and 18,787.02

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Solution

The fourth proportional to 53,844.36, 80,783.01 and 18,787.02 is: 28,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,844.36 : 80,783.01 = 18,787.02 : x
  2. Step 2: Convert to fraction form
    53,844.36/80,783.01 = 18,787.02/x
  3. Step 3: Cross multiply
    53,844.36x = 80,783.01 × 18,787.02
  4. Step 4: Simplify right side
    53,844.36x = 1,517,672,024.53
  5. Step 5: Solve for x
    x = 1,517,672,024.53/53,844.36
  6. Step 6: Final answer
    x = 28,186.28

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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.