Home / 31,503.85-47,240.58-11,512.64

Finding the Fourth Proportional to 31,503.85, 47,240.58 and 11,512.64

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Solution

The fourth proportional to 31,503.85, 47,240.58 and 11,512.64 is: 17,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.85 : 47,240.58 = 11,512.64 : x
  2. Step 2: Convert to fraction form
    31,503.85/47,240.58 = 11,512.64/x
  3. Step 3: Cross multiply
    31,503.85x = 47,240.58 × 11,512.64
  4. Step 4: Simplify right side
    31,503.85x = 543,863,790.93
  5. Step 5: Solve for x
    x = 543,863,790.93/31,503.85
  6. Step 6: Final answer
    x = 17,263.41

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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.