Home / 30,348.43-41,877.84-16,918.43

Finding the Fourth Proportional to 30,348.43, 41,877.84 and 16,918.43

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Solution

The fourth proportional to 30,348.43, 41,877.84 and 16,918.43 is: 23,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.43 : 41,877.84 = 16,918.43 : x
  2. Step 2: Convert to fraction form
    30,348.43/41,877.84 = 16,918.43/x
  3. Step 3: Cross multiply
    30,348.43x = 41,877.84 × 16,918.43
  4. Step 4: Simplify right side
    30,348.43x = 708,507,158.65
  5. Step 5: Solve for x
    x = 708,507,158.65/30,348.43
  6. Step 6: Final answer
    x = 23,345.76

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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.