Home / 30,711.99-46,058.19-11,987.48

Finding the Fourth Proportional to 30,711.99, 46,058.19 and 11,987.48

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Solution

The fourth proportional to 30,711.99, 46,058.19 and 11,987.48 is: 17,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711.99 : 46,058.19 = 11,987.48 : x
  2. Step 2: Convert to fraction form
    30,711.99/46,058.19 = 11,987.48/x
  3. Step 3: Cross multiply
    30,711.99x = 46,058.19 × 11,987.48
  4. Step 4: Simplify right side
    30,711.99x = 552,121,401.17
  5. Step 5: Solve for x
    x = 552,121,401.17/30,711.99
  6. Step 6: Final answer
    x = 17,977.39

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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.