Home / 31,161.35-46,740.48-11,438.36

Finding the Fourth Proportional to 31,161.35, 46,740.48 and 11,438.36

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Solution

The fourth proportional to 31,161.35, 46,740.48 and 11,438.36 is: 17,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.35 : 46,740.48 = 11,438.36 : x
  2. Step 2: Convert to fraction form
    31,161.35/46,740.48 = 11,438.36/x
  3. Step 3: Cross multiply
    31,161.35x = 46,740.48 × 11,438.36
  4. Step 4: Simplify right side
    31,161.35x = 534,634,335.49
  5. Step 5: Solve for x
    x = 534,634,335.49/31,161.35
  6. Step 6: Final answer
    x = 17,156.97

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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.