Home / 31,402.04-47,039.42-14,511.03

Finding the Fourth Proportional to 31,402.04, 47,039.42 and 14,511.03

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Solution

The fourth proportional to 31,402.04, 47,039.42 and 14,511.03 is: 21,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.04 : 47,039.42 = 14,511.03 : x
  2. Step 2: Convert to fraction form
    31,402.04/47,039.42 = 14,511.03/x
  3. Step 3: Cross multiply
    31,402.04x = 47,039.42 × 14,511.03
  4. Step 4: Simplify right side
    31,402.04x = 682,590,477.65
  5. Step 5: Solve for x
    x = 682,590,477.65/31,402.04
  6. Step 6: Final answer
    x = 21,737.14

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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.