Home / 30,137.91-41,588.65-16,708.38

Finding the Fourth Proportional to 30,137.91, 41,588.65 and 16,708.38

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Solution

The fourth proportional to 30,137.91, 41,588.65 and 16,708.38 is: 23,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.91 : 41,588.65 = 16,708.38 : x
  2. Step 2: Convert to fraction form
    30,137.91/41,588.65 = 16,708.38/x
  3. Step 3: Cross multiply
    30,137.91x = 41,588.65 × 16,708.38
  4. Step 4: Simplify right side
    30,137.91x = 694,878,967.89
  5. Step 5: Solve for x
    x = 694,878,967.89/30,137.91
  6. Step 6: Final answer
    x = 23,056.64

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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.