Home / 35,390.72-53,073.33-12,011.69

Finding the Fourth Proportional to 35,390.72, 53,073.33 and 12,011.69

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Solution

The fourth proportional to 35,390.72, 53,073.33 and 12,011.69 is: 18,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.72 : 53,073.33 = 12,011.69 : x
  2. Step 2: Convert to fraction form
    35,390.72/53,073.33 = 12,011.69/x
  3. Step 3: Cross multiply
    35,390.72x = 53,073.33 × 12,011.69
  4. Step 4: Simplify right side
    35,390.72x = 637,500,474.87
  5. Step 5: Solve for x
    x = 637,500,474.87/35,390.72
  6. Step 6: Final answer
    x = 18,013.21

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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.