Home / 30,984.66-42,758.82-16,837.47

Finding the Fourth Proportional to 30,984.66, 42,758.82 and 16,837.47

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Solution

The fourth proportional to 30,984.66, 42,758.82 and 16,837.47 is: 23,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.66 : 42,758.82 = 16,837.47 : x
  2. Step 2: Convert to fraction form
    30,984.66/42,758.82 = 16,837.47/x
  3. Step 3: Cross multiply
    30,984.66x = 42,758.82 × 16,837.47
  4. Step 4: Simplify right side
    30,984.66x = 719,950,348.99
  5. Step 5: Solve for x
    x = 719,950,348.99/30,984.66
  6. Step 6: Final answer
    x = 23,235.70

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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.