Home / 31,835.84-47,751.24-13,110.80

Finding the Fourth Proportional to 31,835.84, 47,751.24 and 13,110.80

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Solution

The fourth proportional to 31,835.84, 47,751.24 and 13,110.80 is: 19,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.84 : 47,751.24 = 13,110.80 : x
  2. Step 2: Convert to fraction form
    31,835.84/47,751.24 = 13,110.80/x
  3. Step 3: Cross multiply
    31,835.84x = 47,751.24 × 13,110.80
  4. Step 4: Simplify right side
    31,835.84x = 626,056,957.39
  5. Step 5: Solve for x
    x = 626,056,957.39/31,835.84
  6. Step 6: Final answer
    x = 19,665.16

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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.