Home / 30,033.44-45,062.76-13,382

Finding the Fourth Proportional to 30,033.44, 45,062.76 and 13,382

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Solution

The fourth proportional to 30,033.44, 45,062.76 and 13,382 is: 20,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.44 : 45,062.76 = 13,382 : x
  2. Step 2: Convert to fraction form
    30,033.44/45,062.76 = 13,382/x
  3. Step 3: Cross multiply
    30,033.44x = 45,062.76 × 13,382
  4. Step 4: Simplify right side
    30,033.44x = 603,029,854.32
  5. Step 5: Solve for x
    x = 603,029,854.32/30,033.44
  6. Step 6: Final answer
    x = 20,078.61

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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.