Home / 35,331.21-48,756.69-19,415.30

Finding the Fourth Proportional to 35,331.21, 48,756.69 and 19,415.30

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Solution

The fourth proportional to 35,331.21, 48,756.69 and 19,415.30 is: 26,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.21 : 48,756.69 = 19,415.30 : x
  2. Step 2: Convert to fraction form
    35,331.21/48,756.69 = 19,415.30/x
  3. Step 3: Cross multiply
    35,331.21x = 48,756.69 × 19,415.30
  4. Step 4: Simplify right side
    35,331.21x = 946,625,519.57
  5. Step 5: Solve for x
    x = 946,625,519.57/35,331.21
  6. Step 6: Final answer
    x = 26,792.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.