Home / 34,715.90-47,908.88-19,610.80

Finding the Fourth Proportional to 34,715.90, 47,908.88 and 19,610.80

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Solution

The fourth proportional to 34,715.90, 47,908.88 and 19,610.80 is: 27,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.90 : 47,908.88 = 19,610.80 : x
  2. Step 2: Convert to fraction form
    34,715.90/47,908.88 = 19,610.80/x
  3. Step 3: Cross multiply
    34,715.90x = 47,908.88 × 19,610.80
  4. Step 4: Simplify right side
    34,715.90x = 939,531,463.90
  5. Step 5: Solve for x
    x = 939,531,463.90/34,715.90
  6. Step 6: Final answer
    x = 27,063.43

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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.