Home / 42,997.50-64,512.65-16,704.29

Finding the Fourth Proportional to 42,997.50, 64,512.65 and 16,704.29

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Solution

The fourth proportional to 42,997.50, 64,512.65 and 16,704.29 is: 25,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.50 : 64,512.65 = 16,704.29 : x
  2. Step 2: Convert to fraction form
    42,997.50/64,512.65 = 16,704.29/x
  3. Step 3: Cross multiply
    42,997.50x = 64,512.65 × 16,704.29
  4. Step 4: Simplify right side
    42,997.50x = 1,077,638,217.31
  5. Step 5: Solve for x
    x = 1,077,638,217.31/42,997.50
  6. Step 6: Final answer
    x = 25,062.81

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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.