Home / 31,118.98-46,699.22-16,139.90

Finding the Fourth Proportional to 31,118.98, 46,699.22 and 16,139.90

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Solution

The fourth proportional to 31,118.98, 46,699.22 and 16,139.90 is: 24,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.98 : 46,699.22 = 16,139.90 : x
  2. Step 2: Convert to fraction form
    31,118.98/46,699.22 = 16,139.90/x
  3. Step 3: Cross multiply
    31,118.98x = 46,699.22 × 16,139.90
  4. Step 4: Simplify right side
    31,118.98x = 753,720,897.98
  5. Step 5: Solve for x
    x = 753,720,897.98/31,118.98
  6. Step 6: Final answer
    x = 24,220.62

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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.