Home / 30,985.11-46,468.35-8,800.29

Finding the Fourth Proportional to 30,985.11, 46,468.35 and 8,800.29

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Solution

The fourth proportional to 30,985.11, 46,468.35 and 8,800.29 is: 13,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985.11 : 46,468.35 = 8,800.29 : x
  2. Step 2: Convert to fraction form
    30,985.11/46,468.35 = 8,800.29/x
  3. Step 3: Cross multiply
    30,985.11x = 46,468.35 × 8,800.29
  4. Step 4: Simplify right side
    30,985.11x = 408,934,955.82
  5. Step 5: Solve for x
    x = 408,934,955.82/30,985.11
  6. Step 6: Final answer
    x = 13,197.79

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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.