Home / 30,578.93-45,872.96-10,855.83

Finding the Fourth Proportional to 30,578.93, 45,872.96 and 10,855.83

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Solution

The fourth proportional to 30,578.93, 45,872.96 and 10,855.83 is: 16,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578.93 : 45,872.96 = 10,855.83 : x
  2. Step 2: Convert to fraction form
    30,578.93/45,872.96 = 10,855.83/x
  3. Step 3: Cross multiply
    30,578.93x = 45,872.96 × 10,855.83
  4. Step 4: Simplify right side
    30,578.93x = 497,989,001.08
  5. Step 5: Solve for x
    x = 497,989,001.08/30,578.93
  6. Step 6: Final answer
    x = 16,285.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.