Home / 54,783.02-82,125.18-19,698

Finding the Fourth Proportional to 54,783.02, 82,125.18 and 19,698

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Solution

The fourth proportional to 54,783.02, 82,125.18 and 19,698 is: 29,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783.02 : 82,125.18 = 19,698 : x
  2. Step 2: Convert to fraction form
    54,783.02/82,125.18 = 19,698/x
  3. Step 3: Cross multiply
    54,783.02x = 82,125.18 × 19,698
  4. Step 4: Simplify right side
    54,783.02x = 1,617,701,795.64
  5. Step 5: Solve for x
    x = 1,617,701,795.64/54,783.02
  6. Step 6: Final answer
    x = 29,529.26

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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.