Home / 38,566.99-53,217.07-21,570.36

Finding the Fourth Proportional to 38,566.99, 53,217.07 and 21,570.36

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Solution

The fourth proportional to 38,566.99, 53,217.07 and 21,570.36 is: 29,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.99 : 53,217.07 = 21,570.36 : x
  2. Step 2: Convert to fraction form
    38,566.99/53,217.07 = 21,570.36/x
  3. Step 3: Cross multiply
    38,566.99x = 53,217.07 × 21,570.36
  4. Step 4: Simplify right side
    38,566.99x = 1,147,911,358.05
  5. Step 5: Solve for x
    x = 1,147,911,358.05/38,566.99
  6. Step 6: Final answer
    x = 29,764.09

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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.