Home / 51,205.58-76,843.21-31,423.76

Finding the Fourth Proportional to 51,205.58, 76,843.21 and 31,423.76

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Solution

The fourth proportional to 51,205.58, 76,843.21 and 31,423.76 is: 47,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.58 : 76,843.21 = 31,423.76 : x
  2. Step 2: Convert to fraction form
    51,205.58/76,843.21 = 31,423.76/x
  3. Step 3: Cross multiply
    51,205.58x = 76,843.21 × 31,423.76
  4. Step 4: Simplify right side
    51,205.58x = 2,414,702,588.67
  5. Step 5: Solve for x
    x = 2,414,702,588.67/51,205.58
  6. Step 6: Final answer
    x = 47,157.02

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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.