Home / 34,451.89-47,540.69-19,343.36

Finding the Fourth Proportional to 34,451.89, 47,540.69 and 19,343.36

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Solution

The fourth proportional to 34,451.89, 47,540.69 and 19,343.36 is: 26,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.89 : 47,540.69 = 19,343.36 : x
  2. Step 2: Convert to fraction form
    34,451.89/47,540.69 = 19,343.36/x
  3. Step 3: Cross multiply
    34,451.89x = 47,540.69 × 19,343.36
  4. Step 4: Simplify right side
    34,451.89x = 919,596,775.99
  5. Step 5: Solve for x
    x = 919,596,775.99/34,451.89
  6. Step 6: Final answer
    x = 26,692.20

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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.