Home / 35,426.44-53,122.72-20,639.56

Finding the Fourth Proportional to 35,426.44, 53,122.72 and 20,639.56

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Solution

The fourth proportional to 35,426.44, 53,122.72 and 20,639.56 is: 30,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.44 : 53,122.72 = 20,639.56 : x
  2. Step 2: Convert to fraction form
    35,426.44/53,122.72 = 20,639.56/x
  3. Step 3: Cross multiply
    35,426.44x = 53,122.72 × 20,639.56
  4. Step 4: Simplify right side
    35,426.44x = 1,096,429,566.80
  5. Step 5: Solve for x
    x = 1,096,429,566.80/35,426.44
  6. Step 6: Final answer
    x = 30,949.47

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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.