Home / 35,172.17-48,561.09-20,836.64

Finding the Fourth Proportional to 35,172.17, 48,561.09 and 20,836.64

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Solution

The fourth proportional to 35,172.17, 48,561.09 and 20,836.64 is: 28,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.17 : 48,561.09 = 20,836.64 : x
  2. Step 2: Convert to fraction form
    35,172.17/48,561.09 = 20,836.64/x
  3. Step 3: Cross multiply
    35,172.17x = 48,561.09 × 20,836.64
  4. Step 4: Simplify right side
    35,172.17x = 1,011,850,169.41
  5. Step 5: Solve for x
    x = 1,011,850,169.41/35,172.17
  6. Step 6: Final answer
    x = 28,768.48

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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.