Home / 30,891.32-46,309.23-15,087.41

Finding the Fourth Proportional to 30,891.32, 46,309.23 and 15,087.41

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Solution

The fourth proportional to 30,891.32, 46,309.23 and 15,087.41 is: 22,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.32 : 46,309.23 = 15,087.41 : x
  2. Step 2: Convert to fraction form
    30,891.32/46,309.23 = 15,087.41/x
  3. Step 3: Cross multiply
    30,891.32x = 46,309.23 × 15,087.41
  4. Step 4: Simplify right side
    30,891.32x = 698,686,108.25
  5. Step 5: Solve for x
    x = 698,686,108.25/30,891.32
  6. Step 6: Final answer
    x = 22,617.56

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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.