Home / 31,057.35-46,586.43-8,871.45

Finding the Fourth Proportional to 31,057.35, 46,586.43 and 8,871.45

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Solution

The fourth proportional to 31,057.35, 46,586.43 and 8,871.45 is: 13,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,057.35 : 46,586.43 = 8,871.45 : x
  2. Step 2: Convert to fraction form
    31,057.35/46,586.43 = 8,871.45/x
  3. Step 3: Cross multiply
    31,057.35x = 46,586.43 × 8,871.45
  4. Step 4: Simplify right side
    31,057.35x = 413,289,184.42
  5. Step 5: Solve for x
    x = 413,289,184.42/31,057.35
  6. Step 6: Final answer
    x = 13,307.29

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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.