Home / 31,302.72-46,910.21-14,623.20

Finding the Fourth Proportional to 31,302.72, 46,910.21 and 14,623.20

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Solution

The fourth proportional to 31,302.72, 46,910.21 and 14,623.20 is: 21,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.72 : 46,910.21 = 14,623.20 : x
  2. Step 2: Convert to fraction form
    31,302.72/46,910.21 = 14,623.20/x
  3. Step 3: Cross multiply
    31,302.72x = 46,910.21 × 14,623.20
  4. Step 4: Simplify right side
    31,302.72x = 685,977,309.76
  5. Step 5: Solve for x
    x = 685,977,309.76/31,302.72
  6. Step 6: Final answer
    x = 21,914.30

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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.