Home / 35,479.29-53,231.18-15,771.63

Finding the Fourth Proportional to 35,479.29, 53,231.18 and 15,771.63

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Solution

The fourth proportional to 35,479.29, 53,231.18 and 15,771.63 is: 23,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.29 : 53,231.18 = 15,771.63 : x
  2. Step 2: Convert to fraction form
    35,479.29/53,231.18 = 15,771.63/x
  3. Step 3: Cross multiply
    35,479.29x = 53,231.18 × 15,771.63
  4. Step 4: Simplify right side
    35,479.29x = 839,542,396.57
  5. Step 5: Solve for x
    x = 839,542,396.57/35,479.29
  6. Step 6: Final answer
    x = 23,662.89

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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.