Home / 51,415.22-70,953.54-30,194.84

Finding the Fourth Proportional to 51,415.22, 70,953.54 and 30,194.84

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Solution

The fourth proportional to 51,415.22, 70,953.54 and 30,194.84 is: 41,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415.22 : 70,953.54 = 30,194.84 : x
  2. Step 2: Convert to fraction form
    51,415.22/70,953.54 = 30,194.84/x
  3. Step 3: Cross multiply
    51,415.22x = 70,953.54 × 30,194.84
  4. Step 4: Simplify right side
    51,415.22x = 2,142,430,787.73
  5. Step 5: Solve for x
    x = 2,142,430,787.73/51,415.22
  6. Step 6: Final answer
    x = 41,669.19

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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.