Home / 35,051.28-48,369.60-20,896.80

Finding the Fourth Proportional to 35,051.28, 48,369.60 and 20,896.80

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Solution

The fourth proportional to 35,051.28, 48,369.60 and 20,896.80 is: 28,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,051.28 : 48,369.60 = 20,896.80 : x
  2. Step 2: Convert to fraction form
    35,051.28/48,369.60 = 20,896.80/x
  3. Step 3: Cross multiply
    35,051.28x = 48,369.60 × 20,896.80
  4. Step 4: Simplify right side
    35,051.28x = 1,010,769,857.28
  5. Step 5: Solve for x
    x = 1,010,769,857.28/35,051.28
  6. Step 6: Final answer
    x = 28,836.89

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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.