Home / 30,008.24-41,410.68-16,578.80

Finding the Fourth Proportional to 30,008.24, 41,410.68 and 16,578.80

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Solution

The fourth proportional to 30,008.24, 41,410.68 and 16,578.80 is: 22,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.24 : 41,410.68 = 16,578.80 : x
  2. Step 2: Convert to fraction form
    30,008.24/41,410.68 = 16,578.80/x
  3. Step 3: Cross multiply
    30,008.24x = 41,410.68 × 16,578.80
  4. Step 4: Simplify right side
    30,008.24x = 686,539,381.58
  5. Step 5: Solve for x
    x = 686,539,381.58/30,008.24
  6. Step 6: Final answer
    x = 22,878.36

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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.