Home / 54,771.34-82,107.78-19,686.46

Finding the Fourth Proportional to 54,771.34, 82,107.78 and 19,686.46

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Solution

The fourth proportional to 54,771.34, 82,107.78 and 19,686.46 is: 29,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.34 : 82,107.78 = 19,686.46 : x
  2. Step 2: Convert to fraction form
    54,771.34/82,107.78 = 19,686.46/x
  3. Step 3: Cross multiply
    54,771.34x = 82,107.78 × 19,686.46
  4. Step 4: Simplify right side
    54,771.34x = 1,616,411,526.66
  5. Step 5: Solve for x
    x = 1,616,411,526.66/54,771.34
  6. Step 6: Final answer
    x = 29,512.00

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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.