Home / 54,092.70-81,139.10-14,111.64

Finding the Fourth Proportional to 54,092.70, 81,139.10 and 14,111.64

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Solution

The fourth proportional to 54,092.70, 81,139.10 and 14,111.64 is: 21,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,092.70 : 81,139.10 = 14,111.64 : x
  2. Step 2: Convert to fraction form
    54,092.70/81,139.10 = 14,111.64/x
  3. Step 3: Cross multiply
    54,092.70x = 81,139.10 × 14,111.64
  4. Step 4: Simplify right side
    54,092.70x = 1,145,005,698.57
  5. Step 5: Solve for x
    x = 1,145,005,698.57/54,092.70
  6. Step 6: Final answer
    x = 21,167.47

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1.5x scale

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.