Home / 53,107.41-79,664.76-18,042.51

Finding the Fourth Proportional to 53,107.41, 79,664.76 and 18,042.51

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Solution

The fourth proportional to 53,107.41, 79,664.76 and 18,042.51 is: 27,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.41 : 79,664.76 = 18,042.51 : x
  2. Step 2: Convert to fraction form
    53,107.41/79,664.76 = 18,042.51/x
  3. Step 3: Cross multiply
    53,107.41x = 79,664.76 × 18,042.51
  4. Step 4: Simplify right side
    53,107.41x = 1,437,352,228.95
  5. Step 5: Solve for x
    x = 1,437,352,228.95/53,107.41
  6. Step 6: Final answer
    x = 27,065.00

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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.