Home / 30,240.04-41,728.09-16,809.13

Finding the Fourth Proportional to 30,240.04, 41,728.09 and 16,809.13

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Solution

The fourth proportional to 30,240.04, 41,728.09 and 16,809.13 is: 23,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.04 : 41,728.09 = 16,809.13 : x
  2. Step 2: Convert to fraction form
    30,240.04/41,728.09 = 16,809.13/x
  3. Step 3: Cross multiply
    30,240.04x = 41,728.09 × 16,809.13
  4. Step 4: Simplify right side
    30,240.04x = 701,412,889.46
  5. Step 5: Solve for x
    x = 701,412,889.46/30,240.04
  6. Step 6: Final answer
    x = 23,194.84

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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.