Home / 30,232.57-41,721.10-16,805.07

Finding the Fourth Proportional to 30,232.57, 41,721.10 and 16,805.07

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Solution

The fourth proportional to 30,232.57, 41,721.10 and 16,805.07 is: 23,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.57 : 41,721.10 = 16,805.07 : x
  2. Step 2: Convert to fraction form
    30,232.57/41,721.10 = 16,805.07/x
  3. Step 3: Cross multiply
    30,232.57x = 41,721.10 × 16,805.07
  4. Step 4: Simplify right side
    30,232.57x = 701,126,011.23
  5. Step 5: Solve for x
    x = 701,126,011.23/30,232.57
  6. Step 6: Final answer
    x = 23,191.08

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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.