Home / 34,668.30-52,002.45-18,921.90

Finding the Fourth Proportional to 34,668.30, 52,002.45 and 18,921.90

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Solution

The fourth proportional to 34,668.30, 52,002.45 and 18,921.90 is: 28,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668.30 : 52,002.45 = 18,921.90 : x
  2. Step 2: Convert to fraction form
    34,668.30/52,002.45 = 18,921.90/x
  3. Step 3: Cross multiply
    34,668.30x = 52,002.45 × 18,921.90
  4. Step 4: Simplify right side
    34,668.30x = 983,985,158.66
  5. Step 5: Solve for x
    x = 983,985,158.66/34,668.30
  6. Step 6: Final answer
    x = 28,382.85

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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.