Home / 31,742.69-47,623.34-14,208.62

Finding the Fourth Proportional to 31,742.69, 47,623.34 and 14,208.62

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Solution

The fourth proportional to 31,742.69, 47,623.34 and 14,208.62 is: 21,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.69 : 47,623.34 = 14,208.62 : x
  2. Step 2: Convert to fraction form
    31,742.69/47,623.34 = 14,208.62/x
  3. Step 3: Cross multiply
    31,742.69x = 47,623.34 × 14,208.62
  4. Step 4: Simplify right side
    31,742.69x = 676,661,738.60
  5. Step 5: Solve for x
    x = 676,661,738.60/31,742.69
  6. Step 6: Final answer
    x = 21,317.09

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1.5x scale

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.