Home / 30,108.24-45,167.43-11,133.99

Finding the Fourth Proportional to 30,108.24, 45,167.43 and 11,133.99

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Solution

The fourth proportional to 30,108.24, 45,167.43 and 11,133.99 is: 16,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.24 : 45,167.43 = 11,133.99 : x
  2. Step 2: Convert to fraction form
    30,108.24/45,167.43 = 11,133.99/x
  3. Step 3: Cross multiply
    30,108.24x = 45,167.43 × 11,133.99
  4. Step 4: Simplify right side
    30,108.24x = 502,893,713.95
  5. Step 5: Solve for x
    x = 502,893,713.95/30,108.24
  6. Step 6: Final answer
    x = 16,702.86

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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.