Home / 30,852.52-46,269.21-11,128.51

Finding the Fourth Proportional to 30,852.52, 46,269.21 and 11,128.51

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Solution

The fourth proportional to 30,852.52, 46,269.21 and 11,128.51 is: 16,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.52 : 46,269.21 = 11,128.51 : x
  2. Step 2: Convert to fraction form
    30,852.52/46,269.21 = 11,128.51/x
  3. Step 3: Cross multiply
    30,852.52x = 46,269.21 × 11,128.51
  4. Step 4: Simplify right side
    30,852.52x = 514,907,366.18
  5. Step 5: Solve for x
    x = 514,907,366.18/30,852.52
  6. Step 6: Final answer
    x = 16,689.31

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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.