Home / 51,205.32-76,820.94-21,607.92

Finding the Fourth Proportional to 51,205.32, 76,820.94 and 21,607.92

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Solution

The fourth proportional to 51,205.32, 76,820.94 and 21,607.92 is: 32,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.32 : 76,820.94 = 21,607.92 : x
  2. Step 2: Convert to fraction form
    51,205.32/76,820.94 = 21,607.92/x
  3. Step 3: Cross multiply
    51,205.32x = 76,820.94 × 21,607.92
  4. Step 4: Simplify right side
    51,205.32x = 1,659,940,725.84
  5. Step 5: Solve for x
    x = 1,659,940,725.84/51,205.32
  6. Step 6: Final answer
    x = 32,417.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.