Home / 30,008.04-41,409.20-16,578.65

Finding the Fourth Proportional to 30,008.04, 41,409.20 and 16,578.65

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Solution

The fourth proportional to 30,008.04, 41,409.20 and 16,578.65 is: 22,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.04 : 41,409.20 = 16,578.65 : x
  2. Step 2: Convert to fraction form
    30,008.04/41,409.20 = 16,578.65/x
  3. Step 3: Cross multiply
    30,008.04x = 41,409.20 × 16,578.65
  4. Step 4: Simplify right side
    30,008.04x = 686,508,343.64
  5. Step 5: Solve for x
    x = 686,508,343.64/30,008.04
  6. Step 6: Final answer
    x = 22,877.48

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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.