Home / 30,836.16-46,122.48-18,960.66

Finding the Fourth Proportional to 30,836.16, 46,122.48 and 18,960.66

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Solution

The fourth proportional to 30,836.16, 46,122.48 and 18,960.66 is: 28,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.16 : 46,122.48 = 18,960.66 : x
  2. Step 2: Convert to fraction form
    30,836.16/46,122.48 = 18,960.66/x
  3. Step 3: Cross multiply
    30,836.16x = 46,122.48 × 18,960.66
  4. Step 4: Simplify right side
    30,836.16x = 874,512,661.64
  5. Step 5: Solve for x
    x = 874,512,661.64/30,836.16
  6. Step 6: Final answer
    x = 28,359.97

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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.