Home / 38,573.92-53,229.52-21,575.23

Finding the Fourth Proportional to 38,573.92, 53,229.52 and 21,575.23

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Solution

The fourth proportional to 38,573.92, 53,229.52 and 21,575.23 is: 29,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.92 : 53,229.52 = 21,575.23 : x
  2. Step 2: Convert to fraction form
    38,573.92/53,229.52 = 21,575.23/x
  3. Step 3: Cross multiply
    38,573.92x = 53,229.52 × 21,575.23
  4. Step 4: Simplify right side
    38,573.92x = 1,148,439,030.68
  5. Step 5: Solve for x
    x = 1,148,439,030.68/38,573.92
  6. Step 6: Final answer
    x = 29,772.42

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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.