Home / 30,309.10-41,827.85-16,880.35

Finding the Fourth Proportional to 30,309.10, 41,827.85 and 16,880.35

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Solution

The fourth proportional to 30,309.10, 41,827.85 and 16,880.35 is: 23,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.10 : 41,827.85 = 16,880.35 : x
  2. Step 2: Convert to fraction form
    30,309.10/41,827.85 = 16,880.35/x
  3. Step 3: Cross multiply
    30,309.10x = 41,827.85 × 16,880.35
  4. Step 4: Simplify right side
    30,309.10x = 706,068,831.22
  5. Step 5: Solve for x
    x = 706,068,831.22/30,309.10
  6. Step 6: Final answer
    x = 23,295.61

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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.