Home / 35,108.80-48,450.72-20,962.88

Finding the Fourth Proportional to 35,108.80, 48,450.72 and 20,962.88

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Solution

The fourth proportional to 35,108.80, 48,450.72 and 20,962.88 is: 28,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,108.80 : 48,450.72 = 20,962.88 : x
  2. Step 2: Convert to fraction form
    35,108.80/48,450.72 = 20,962.88/x
  3. Step 3: Cross multiply
    35,108.80x = 48,450.72 × 20,962.88
  4. Step 4: Simplify right side
    35,108.80x = 1,015,666,629.27
  5. Step 5: Solve for x
    x = 1,015,666,629.27/35,108.80
  6. Step 6: Final answer
    x = 28,929.12

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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.