Home / 30,154.65-41,618.39-16,730.23

Finding the Fourth Proportional to 30,154.65, 41,618.39 and 16,730.23

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Solution

The fourth proportional to 30,154.65, 41,618.39 and 16,730.23 is: 23,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.65 : 41,618.39 = 16,730.23 : x
  2. Step 2: Convert to fraction form
    30,154.65/41,618.39 = 16,730.23/x
  3. Step 3: Cross multiply
    30,154.65x = 41,618.39 × 16,730.23
  4. Step 4: Simplify right side
    30,154.65x = 696,285,028.84
  5. Step 5: Solve for x
    x = 696,285,028.84/30,154.65
  6. Step 6: Final answer
    x = 23,090.47

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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.