Home / 34,678.89-47,858.09-19,570.68

Finding the Fourth Proportional to 34,678.89, 47,858.09 and 19,570.68

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Solution

The fourth proportional to 34,678.89, 47,858.09 and 19,570.68 is: 27,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.89 : 47,858.09 = 19,570.68 : x
  2. Step 2: Convert to fraction form
    34,678.89/47,858.09 = 19,570.68/x
  3. Step 3: Cross multiply
    34,678.89x = 47,858.09 × 19,570.68
  4. Step 4: Simplify right side
    34,678.89x = 936,615,266.95
  5. Step 5: Solve for x
    x = 936,615,266.95/34,678.89
  6. Step 6: Final answer
    x = 27,008.23

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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.