Home / 38,682.12-53,371.34-22,763.58

Finding the Fourth Proportional to 38,682.12, 53,371.34 and 22,763.58

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Solution

The fourth proportional to 38,682.12, 53,371.34 and 22,763.58 is: 31,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.12 : 53,371.34 = 22,763.58 : x
  2. Step 2: Convert to fraction form
    38,682.12/53,371.34 = 22,763.58/x
  3. Step 3: Cross multiply
    38,682.12x = 53,371.34 × 22,763.58
  4. Step 4: Simplify right side
    38,682.12x = 1,214,922,653.98
  5. Step 5: Solve for x
    x = 1,214,922,653.98/38,682.12
  6. Step 6: Final answer
    x = 31,407.86

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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.