Home / 31,044.48-46,556.64-13,509.12

Finding the Fourth Proportional to 31,044.48, 46,556.64 and 13,509.12

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Solution

The fourth proportional to 31,044.48, 46,556.64 and 13,509.12 is: 20,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044.48 : 46,556.64 = 13,509.12 : x
  2. Step 2: Convert to fraction form
    31,044.48/46,556.64 = 13,509.12/x
  3. Step 3: Cross multiply
    31,044.48x = 46,556.64 × 13,509.12
  4. Step 4: Simplify right side
    31,044.48x = 628,939,236.56
  5. Step 5: Solve for x
    x = 628,939,236.56/31,044.48
  6. Step 6: Final answer
    x = 20,259.29

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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.