Home / 38,339.31-52,911.49-21,575.55

Finding the Fourth Proportional to 38,339.31, 52,911.49 and 21,575.55

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Solution

The fourth proportional to 38,339.31, 52,911.49 and 21,575.55 is: 29,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.31 : 52,911.49 = 21,575.55 : x
  2. Step 2: Convert to fraction form
    38,339.31/52,911.49 = 21,575.55/x
  3. Step 3: Cross multiply
    38,339.31x = 52,911.49 × 21,575.55
  4. Step 4: Simplify right side
    38,339.31x = 1,141,594,498.07
  5. Step 5: Solve for x
    x = 1,141,594,498.07/38,339.31
  6. Step 6: Final answer
    x = 29,776.08

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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.