Home / 30,993.21-46,438.74-17,856.63

Finding the Fourth Proportional to 30,993.21, 46,438.74 and 17,856.63

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Solution

The fourth proportional to 30,993.21, 46,438.74 and 17,856.63 is: 26,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993.21 : 46,438.74 = 17,856.63 : x
  2. Step 2: Convert to fraction form
    30,993.21/46,438.74 = 17,856.63/x
  3. Step 3: Cross multiply
    30,993.21x = 46,438.74 × 17,856.63
  4. Step 4: Simplify right side
    30,993.21x = 829,239,397.85
  5. Step 5: Solve for x
    x = 829,239,397.85/30,993.21
  6. Step 6: Final answer
    x = 26,755.52

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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.