Home / 31,170.64-46,762.05-11,449.34

Finding the Fourth Proportional to 31,170.64, 46,762.05 and 11,449.34

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Solution

The fourth proportional to 31,170.64, 46,762.05 and 11,449.34 is: 17,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.64 : 46,762.05 = 11,449.34 : x
  2. Step 2: Convert to fraction form
    31,170.64/46,762.05 = 11,449.34/x
  3. Step 3: Cross multiply
    31,170.64x = 46,762.05 × 11,449.34
  4. Step 4: Simplify right side
    31,170.64x = 535,394,609.55
  5. Step 5: Solve for x
    x = 535,394,609.55/31,170.64
  6. Step 6: Final answer
    x = 17,176.25

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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.