Home / 30,926.45-46,392.18-8,740.01

Finding the Fourth Proportional to 30,926.45, 46,392.18 and 8,740.01

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Solution

The fourth proportional to 30,926.45, 46,392.18 and 8,740.01 is: 13,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.45 : 46,392.18 = 8,740.01 : x
  2. Step 2: Convert to fraction form
    30,926.45/46,392.18 = 8,740.01/x
  3. Step 3: Cross multiply
    30,926.45x = 46,392.18 × 8,740.01
  4. Step 4: Simplify right side
    30,926.45x = 405,468,117.12
  5. Step 5: Solve for x
    x = 405,468,117.12/30,926.45
  6. Step 6: Final answer
    x = 13,110.72

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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.