Home / 38,282.33-52,830.75-21,053.79

Finding the Fourth Proportional to 38,282.33, 52,830.75 and 21,053.79

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Solution

The fourth proportional to 38,282.33, 52,830.75 and 21,053.79 is: 29,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.33 : 52,830.75 = 21,053.79 : x
  2. Step 2: Convert to fraction form
    38,282.33/52,830.75 = 21,053.79/x
  3. Step 3: Cross multiply
    38,282.33x = 52,830.75 × 21,053.79
  4. Step 4: Simplify right side
    38,282.33x = 1,112,287,516.04
  5. Step 5: Solve for x
    x = 1,112,287,516.04/38,282.33
  6. Step 6: Final answer
    x = 29,054.86

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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.