Home / 57,672.90-86,548.50-20,232.66

Finding the Fourth Proportional to 57,672.90, 86,548.50 and 20,232.66

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Solution

The fourth proportional to 57,672.90, 86,548.50 and 20,232.66 is: 30,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672.90 : 86,548.50 = 20,232.66 : x
  2. Step 2: Convert to fraction form
    57,672.90/86,548.50 = 20,232.66/x
  3. Step 3: Cross multiply
    57,672.90x = 86,548.50 × 20,232.66
  4. Step 4: Simplify right side
    57,672.90x = 1,751,106,374.01
  5. Step 5: Solve for x
    x = 1,751,106,374.01/57,672.90
  6. Step 6: Final answer
    x = 30,362.72

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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.