Home / 57,846.24-86,770.08-18,403.20

Finding the Fourth Proportional to 57,846.24, 86,770.08 and 18,403.20

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Solution

The fourth proportional to 57,846.24, 86,770.08 and 18,403.20 is: 27,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,846.24 : 86,770.08 = 18,403.20 : x
  2. Step 2: Convert to fraction form
    57,846.24/86,770.08 = 18,403.20/x
  3. Step 3: Cross multiply
    57,846.24x = 86,770.08 × 18,403.20
  4. Step 4: Simplify right side
    57,846.24x = 1,596,847,136.26
  5. Step 5: Solve for x
    x = 1,596,847,136.26/57,846.24
  6. Step 6: Final answer
    x = 27,605.03

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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.