Home / 31,262.85-46,889.35-10,202.78

Finding the Fourth Proportional to 31,262.85, 46,889.35 and 10,202.78

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Solution

The fourth proportional to 31,262.85, 46,889.35 and 10,202.78 is: 15,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.85 : 46,889.35 = 10,202.78 : x
  2. Step 2: Convert to fraction form
    31,262.85/46,889.35 = 10,202.78/x
  3. Step 3: Cross multiply
    31,262.85x = 46,889.35 × 10,202.78
  4. Step 4: Simplify right side
    31,262.85x = 478,401,814.11
  5. Step 5: Solve for x
    x = 478,401,814.11/31,262.85
  6. Step 6: Final answer
    x = 15,302.57

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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.