Home / 53,912.98-74,407.07-30,951.76

Finding the Fourth Proportional to 53,912.98, 74,407.07 and 30,951.76

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Solution

The fourth proportional to 53,912.98, 74,407.07 and 30,951.76 is: 42,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.98 : 74,407.07 = 30,951.76 : x
  2. Step 2: Convert to fraction form
    53,912.98/74,407.07 = 30,951.76/x
  3. Step 3: Cross multiply
    53,912.98x = 74,407.07 × 30,951.76
  4. Step 4: Simplify right side
    53,912.98x = 2,303,029,772.94
  5. Step 5: Solve for x
    x = 2,303,029,772.94/53,912.98
  6. Step 6: Final answer
    x = 42,717.54

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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.