Home / 30,102.25-41,540.65-16,490.19

Finding the Fourth Proportional to 30,102.25, 41,540.65 and 16,490.19

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Solution

The fourth proportional to 30,102.25, 41,540.65 and 16,490.19 is: 22,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,102.25 : 41,540.65 = 16,490.19 : x
  2. Step 2: Convert to fraction form
    30,102.25/41,540.65 = 16,490.19/x
  3. Step 3: Cross multiply
    30,102.25x = 41,540.65 × 16,490.19
  4. Step 4: Simplify right side
    30,102.25x = 685,013,170.00
  5. Step 5: Solve for x
    x = 685,013,170.00/30,102.25
  6. Step 6: Final answer
    x = 22,756.21

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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.