Home / 30,898.73-42,640.34-16,751.58

Finding the Fourth Proportional to 30,898.73, 42,640.34 and 16,751.58

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Solution

The fourth proportional to 30,898.73, 42,640.34 and 16,751.58 is: 23,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.73 : 42,640.34 = 16,751.58 : x
  2. Step 2: Convert to fraction form
    30,898.73/42,640.34 = 16,751.58/x
  3. Step 3: Cross multiply
    30,898.73x = 42,640.34 × 16,751.58
  4. Step 4: Simplify right side
    30,898.73x = 714,292,982.98
  5. Step 5: Solve for x
    x = 714,292,982.98/30,898.73
  6. Step 6: Final answer
    x = 23,117.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.