Home / 30,961.40-46,450.31-18,967.23

Finding the Fourth Proportional to 30,961.40, 46,450.31 and 18,967.23

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Solution

The fourth proportional to 30,961.40, 46,450.31 and 18,967.23 is: 28,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.40 : 46,450.31 = 18,967.23 : x
  2. Step 2: Convert to fraction form
    30,961.40/46,450.31 = 18,967.23/x
  3. Step 3: Cross multiply
    30,961.40x = 46,450.31 × 18,967.23
  4. Step 4: Simplify right side
    30,961.40x = 881,033,618.51
  5. Step 5: Solve for x
    x = 881,033,618.51/30,961.40
  6. Step 6: Final answer
    x = 28,455.88

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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.