Home / 33,013.92-45,567.12-18,874.98

Finding the Fourth Proportional to 33,013.92, 45,567.12 and 18,874.98

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Solution

The fourth proportional to 33,013.92, 45,567.12 and 18,874.98 is: 26,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.92 : 45,567.12 = 18,874.98 : x
  2. Step 2: Convert to fraction form
    33,013.92/45,567.12 = 18,874.98/x
  3. Step 3: Cross multiply
    33,013.92x = 45,567.12 × 18,874.98
  4. Step 4: Simplify right side
    33,013.92x = 860,078,478.66
  5. Step 5: Solve for x
    x = 860,078,478.66/33,013.92
  6. Step 6: Final answer
    x = 26,051.99

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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.