Home / 30,311.02-41,827.35-16,881.58

Finding the Fourth Proportional to 30,311.02, 41,827.35 and 16,881.58

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Solution

The fourth proportional to 30,311.02, 41,827.35 and 16,881.58 is: 23,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.02 : 41,827.35 = 16,881.58 : x
  2. Step 2: Convert to fraction form
    30,311.02/41,827.35 = 16,881.58/x
  3. Step 3: Cross multiply
    30,311.02x = 41,827.35 × 16,881.58
  4. Step 4: Simplify right side
    30,311.02x = 706,111,755.21
  5. Step 5: Solve for x
    x = 706,111,755.21/30,311.02
  6. Step 6: Final answer
    x = 23,295.55

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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.