Home / 35,331.45-48,757.40-19,415.90

Finding the Fourth Proportional to 35,331.45, 48,757.40 and 19,415.90

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Solution

The fourth proportional to 35,331.45, 48,757.40 and 19,415.90 is: 26,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.45 : 48,757.40 = 19,415.90 : x
  2. Step 2: Convert to fraction form
    35,331.45/48,757.40 = 19,415.90/x
  3. Step 3: Cross multiply
    35,331.45x = 48,757.40 × 19,415.90
  4. Step 4: Simplify right side
    35,331.45x = 946,668,802.66
  5. Step 5: Solve for x
    x = 946,668,802.66/35,331.45
  6. Step 6: Final answer
    x = 26,793.94

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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.