Home / 31,327.48-46,986.22-9,135.67

Finding the Fourth Proportional to 31,327.48, 46,986.22 and 9,135.67

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Solution

The fourth proportional to 31,327.48, 46,986.22 and 9,135.67 is: 13,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.48 : 46,986.22 = 9,135.67 : x
  2. Step 2: Convert to fraction form
    31,327.48/46,986.22 = 9,135.67/x
  3. Step 3: Cross multiply
    31,327.48x = 46,986.22 × 9,135.67
  4. Step 4: Simplify right side
    31,327.48x = 429,250,600.47
  5. Step 5: Solve for x
    x = 429,250,600.47/31,327.48
  6. Step 6: Final answer
    x = 13,702.05

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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.