Home / 43,198-59,639.16-28,319.92

Finding the Fourth Proportional to 43,198, 59,639.16 and 28,319.92

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Solution

The fourth proportional to 43,198, 59,639.16 and 28,319.92 is: 39,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,198 : 59,639.16 = 28,319.92 : x
  2. Step 2: Convert to fraction form
    43,198/59,639.16 = 28,319.92/x
  3. Step 3: Cross multiply
    43,198x = 59,639.16 × 28,319.92
  4. Step 4: Simplify right side
    43,198x = 1,688,976,240.07
  5. Step 5: Solve for x
    x = 1,688,976,240.07/43,198
  6. Step 6: Final answer
    x = 39,098.48

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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.