Home / 30,301.86-41,815.64-16,872.83

Finding the Fourth Proportional to 30,301.86, 41,815.64 and 16,872.83

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Solution

The fourth proportional to 30,301.86, 41,815.64 and 16,872.83 is: 23,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.86 : 41,815.64 = 16,872.83 : x
  2. Step 2: Convert to fraction form
    30,301.86/41,815.64 = 16,872.83/x
  3. Step 3: Cross multiply
    30,301.86x = 41,815.64 × 16,872.83
  4. Step 4: Simplify right side
    30,301.86x = 705,547,891.62
  5. Step 5: Solve for x
    x = 705,547,891.62/30,301.86
  6. Step 6: Final answer
    x = 23,283.98

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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.