Home / 57,438.61-86,157.96-17,998.80

Finding the Fourth Proportional to 57,438.61, 86,157.96 and 17,998.80

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Solution

The fourth proportional to 57,438.61, 86,157.96 and 17,998.80 is: 26,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.61 : 86,157.96 = 17,998.80 : x
  2. Step 2: Convert to fraction form
    57,438.61/86,157.96 = 17,998.80/x
  3. Step 3: Cross multiply
    57,438.61x = 86,157.96 × 17,998.80
  4. Step 4: Simplify right side
    57,438.61x = 1,550,739,890.45
  5. Step 5: Solve for x
    x = 1,550,739,890.45/57,438.61
  6. Step 6: Final answer
    x = 26,998.21

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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.