Home / 51,225.58-76,838.37-13,785.73

Finding the Fourth Proportional to 51,225.58, 76,838.37 and 13,785.73

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Solution

The fourth proportional to 51,225.58, 76,838.37 and 13,785.73 is: 20,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.58 : 76,838.37 = 13,785.73 : x
  2. Step 2: Convert to fraction form
    51,225.58/76,838.37 = 13,785.73/x
  3. Step 3: Cross multiply
    51,225.58x = 76,838.37 × 13,785.73
  4. Step 4: Simplify right side
    51,225.58x = 1,059,273,093.14
  5. Step 5: Solve for x
    x = 1,059,273,093.14/51,225.58
  6. Step 6: Final answer
    x = 20,678.60

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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.