Home / 30,726.36-46,107.43-12,955.91

Finding the Fourth Proportional to 30,726.36, 46,107.43 and 12,955.91

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Solution

The fourth proportional to 30,726.36, 46,107.43 and 12,955.91 is: 19,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726.36 : 46,107.43 = 12,955.91 : x
  2. Step 2: Convert to fraction form
    30,726.36/46,107.43 = 12,955.91/x
  3. Step 3: Cross multiply
    30,726.36x = 46,107.43 × 12,955.91
  4. Step 4: Simplify right side
    30,726.36x = 597,363,450.48
  5. Step 5: Solve for x
    x = 597,363,450.48/30,726.36
  6. Step 6: Final answer
    x = 19,441.40

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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.