Home / 30,392.08-41,946.42-19,650.16

Finding the Fourth Proportional to 30,392.08, 41,946.42 and 19,650.16

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Solution

The fourth proportional to 30,392.08, 41,946.42 and 19,650.16 is: 27,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.08 : 41,946.42 = 19,650.16 : x
  2. Step 2: Convert to fraction form
    30,392.08/41,946.42 = 19,650.16/x
  3. Step 3: Cross multiply
    30,392.08x = 41,946.42 × 19,650.16
  4. Step 4: Simplify right side
    30,392.08x = 824,253,864.43
  5. Step 5: Solve for x
    x = 824,253,864.43/30,392.08
  6. Step 6: Final answer
    x = 27,120.68

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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.