Home / 34,886.22-48,118.21-21,439.81

Finding the Fourth Proportional to 34,886.22, 48,118.21 and 21,439.81

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Solution

The fourth proportional to 34,886.22, 48,118.21 and 21,439.81 is: 29,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.22 : 48,118.21 = 21,439.81 : x
  2. Step 2: Convert to fraction form
    34,886.22/48,118.21 = 21,439.81/x
  3. Step 3: Cross multiply
    34,886.22x = 48,118.21 × 21,439.81
  4. Step 4: Simplify right side
    34,886.22x = 1,031,645,279.94
  5. Step 5: Solve for x
    x = 1,031,645,279.94/34,886.22
  6. Step 6: Final answer
    x = 29,571.71

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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.