Home / 31,205.45-43,063.85-17,776.67

Finding the Fourth Proportional to 31,205.45, 43,063.85 and 17,776.67

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Solution

The fourth proportional to 31,205.45, 43,063.85 and 17,776.67 is: 24,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.45 : 43,063.85 = 17,776.67 : x
  2. Step 2: Convert to fraction form
    31,205.45/43,063.85 = 17,776.67/x
  3. Step 3: Cross multiply
    31,205.45x = 43,063.85 × 17,776.67
  4. Step 4: Simplify right side
    31,205.45x = 765,531,679.50
  5. Step 5: Solve for x
    x = 765,531,679.50/31,205.45
  6. Step 6: Final answer
    x = 24,531.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.