Home / 51,905.34-71,557.83-39,152.70

Finding the Fourth Proportional to 51,905.34, 71,557.83 and 39,152.70

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Solution

The fourth proportional to 51,905.34, 71,557.83 and 39,152.70 is: 53,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.34 : 71,557.83 = 39,152.70 : x
  2. Step 2: Convert to fraction form
    51,905.34/71,557.83 = 39,152.70/x
  3. Step 3: Cross multiply
    51,905.34x = 71,557.83 × 39,152.70
  4. Step 4: Simplify right side
    51,905.34x = 2,801,682,250.64
  5. Step 5: Solve for x
    x = 2,801,682,250.64/51,905.34
  6. Step 6: Final answer
    x = 53,976.76

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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.