Home / 34,770.49-47,982.96-19,666.12

Finding the Fourth Proportional to 34,770.49, 47,982.96 and 19,666.12

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Solution

The fourth proportional to 34,770.49, 47,982.96 and 19,666.12 is: 27,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.49 : 47,982.96 = 19,666.12 : x
  2. Step 2: Convert to fraction form
    34,770.49/47,982.96 = 19,666.12/x
  3. Step 3: Cross multiply
    34,770.49x = 47,982.96 × 19,666.12
  4. Step 4: Simplify right side
    34,770.49x = 943,638,649.32
  5. Step 5: Solve for x
    x = 943,638,649.32/34,770.49
  6. Step 6: Final answer
    x = 27,139.07

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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.