Home / 30,159.68-41,620.37-16,731.09

Finding the Fourth Proportional to 30,159.68, 41,620.37 and 16,731.09

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Solution

The fourth proportional to 30,159.68, 41,620.37 and 16,731.09 is: 23,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.68 : 41,620.37 = 16,731.09 : x
  2. Step 2: Convert to fraction form
    30,159.68/41,620.37 = 16,731.09/x
  3. Step 3: Cross multiply
    30,159.68x = 41,620.37 × 16,731.09
  4. Step 4: Simplify right side
    30,159.68x = 696,354,072.65
  5. Step 5: Solve for x
    x = 696,354,072.65/30,159.68
  6. Step 6: Final answer
    x = 23,088.91

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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.