Home / 30,397.08-41,946.87-19,072.68

Finding the Fourth Proportional to 30,397.08, 41,946.87 and 19,072.68

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Solution

The fourth proportional to 30,397.08, 41,946.87 and 19,072.68 is: 26,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.08 : 41,946.87 = 19,072.68 : x
  2. Step 2: Convert to fraction form
    30,397.08/41,946.87 = 19,072.68/x
  3. Step 3: Cross multiply
    30,397.08x = 41,946.87 × 19,072.68
  4. Step 4: Simplify right side
    30,397.08x = 800,039,228.51
  5. Step 5: Solve for x
    x = 800,039,228.51/30,397.08
  6. Step 6: Final answer
    x = 26,319.61

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1.5x scale

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.