Home / 30,043.96-45,051.10-16,000.28

Finding the Fourth Proportional to 30,043.96, 45,051.10 and 16,000.28

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Solution

The fourth proportional to 30,043.96, 45,051.10 and 16,000.28 is: 23,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.96 : 45,051.10 = 16,000.28 : x
  2. Step 2: Convert to fraction form
    30,043.96/45,051.10 = 16,000.28/x
  3. Step 3: Cross multiply
    30,043.96x = 45,051.10 × 16,000.28
  4. Step 4: Simplify right side
    30,043.96x = 720,829,949.05
  5. Step 5: Solve for x
    x = 720,829,949.05/30,043.96
  6. Step 6: Final answer
    x = 23,992.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.