Home / 35,480.65-53,229.73-10,520.69

Finding the Fourth Proportional to 35,480.65, 53,229.73 and 10,520.69

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Solution

The fourth proportional to 35,480.65, 53,229.73 and 10,520.69 is: 15,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.65 : 53,229.73 = 10,520.69 : x
  2. Step 2: Convert to fraction form
    35,480.65/53,229.73 = 10,520.69/x
  3. Step 3: Cross multiply
    35,480.65x = 53,229.73 × 10,520.69
  4. Step 4: Simplify right side
    35,480.65x = 560,013,594.89
  5. Step 5: Solve for x
    x = 560,013,594.89/35,480.65
  6. Step 6: Final answer
    x = 15,783.64

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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.