Home / 31,577.44-47,334.48-10,786.72

Finding the Fourth Proportional to 31,577.44, 47,334.48 and 10,786.72

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Solution

The fourth proportional to 31,577.44, 47,334.48 and 10,786.72 is: 16,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.44 : 47,334.48 = 10,786.72 : x
  2. Step 2: Convert to fraction form
    31,577.44/47,334.48 = 10,786.72/x
  3. Step 3: Cross multiply
    31,577.44x = 47,334.48 × 10,786.72
  4. Step 4: Simplify right side
    31,577.44x = 510,583,782.11
  5. Step 5: Solve for x
    x = 510,583,782.11/31,577.44
  6. Step 6: Final answer
    x = 16,169.26

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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.