Home / 31,076.40-46,615.08-8,889.36

Finding the Fourth Proportional to 31,076.40, 46,615.08 and 8,889.36

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Solution

The fourth proportional to 31,076.40, 46,615.08 and 8,889.36 is: 13,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,076.40 : 46,615.08 = 8,889.36 : x
  2. Step 2: Convert to fraction form
    31,076.40/46,615.08 = 8,889.36/x
  3. Step 3: Cross multiply
    31,076.40x = 46,615.08 × 8,889.36
  4. Step 4: Simplify right side
    31,076.40x = 414,378,227.55
  5. Step 5: Solve for x
    x = 414,378,227.55/31,076.40
  6. Step 6: Final answer
    x = 13,334.18

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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.