Home / 30,070.19-41,496.23-16,640.64

Finding the Fourth Proportional to 30,070.19, 41,496.23 and 16,640.64

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Solution

The fourth proportional to 30,070.19, 41,496.23 and 16,640.64 is: 22,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.19 : 41,496.23 = 16,640.64 : x
  2. Step 2: Convert to fraction form
    30,070.19/41,496.23 = 16,640.64/x
  3. Step 3: Cross multiply
    30,070.19x = 41,496.23 × 16,640.64
  4. Step 4: Simplify right side
    30,070.19x = 690,523,741.58
  5. Step 5: Solve for x
    x = 690,523,741.58/30,070.19
  6. Step 6: Final answer
    x = 22,963.73

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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.