Home / 51,205.45-76,843.01-31,423.63

Finding the Fourth Proportional to 51,205.45, 76,843.01 and 31,423.63

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Solution

The fourth proportional to 51,205.45, 76,843.01 and 31,423.63 is: 47,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.45 : 76,843.01 = 31,423.63 : x
  2. Step 2: Convert to fraction form
    51,205.45/76,843.01 = 31,423.63/x
  3. Step 3: Cross multiply
    51,205.45x = 76,843.01 × 31,423.63
  4. Step 4: Simplify right side
    51,205.45x = 2,414,686,314.33
  5. Step 5: Solve for x
    x = 2,414,686,314.33/51,205.45
  6. Step 6: Final answer
    x = 47,156.82

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1.5x scale

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.