Home / 29,868.51-41,218.22-16,439.48

Finding the Fourth Proportional to 29,868.51, 41,218.22 and 16,439.48

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Solution

The fourth proportional to 29,868.51, 41,218.22 and 16,439.48 is: 22,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.51 : 41,218.22 = 16,439.48 : x
  2. Step 2: Convert to fraction form
    29,868.51/41,218.22 = 16,439.48/x
  3. Step 3: Cross multiply
    29,868.51x = 41,218.22 × 16,439.48
  4. Step 4: Simplify right side
    29,868.51x = 677,605,815.04
  5. Step 5: Solve for x
    x = 677,605,815.04/29,868.51
  6. Step 6: Final answer
    x = 22,686.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.