Home / 31,149.36-46,731.33-11,432.34

Finding the Fourth Proportional to 31,149.36, 46,731.33 and 11,432.34

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Solution

The fourth proportional to 31,149.36, 46,731.33 and 11,432.34 is: 17,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.36 : 46,731.33 = 11,432.34 : x
  2. Step 2: Convert to fraction form
    31,149.36/46,731.33 = 11,432.34/x
  3. Step 3: Cross multiply
    31,149.36x = 46,731.33 × 11,432.34
  4. Step 4: Simplify right side
    31,149.36x = 534,248,453.21
  5. Step 5: Solve for x
    x = 534,248,453.21/31,149.36
  6. Step 6: Final answer
    x = 17,151.19

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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.