Home / 30,853.14-46,172.79-19,001.64

Finding the Fourth Proportional to 30,853.14, 46,172.79 and 19,001.64

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Solution

The fourth proportional to 30,853.14, 46,172.79 and 19,001.64 is: 28,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.14 : 46,172.79 = 19,001.64 : x
  2. Step 2: Convert to fraction form
    30,853.14/46,172.79 = 19,001.64/x
  3. Step 3: Cross multiply
    30,853.14x = 46,172.79 × 19,001.64
  4. Step 4: Simplify right side
    30,853.14x = 877,358,733.38
  5. Step 5: Solve for x
    x = 877,358,733.38/30,853.14
  6. Step 6: Final answer
    x = 28,436.61

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1.5x scale

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.