Home / 57,772.67-86,658.30-18,330.12

Finding the Fourth Proportional to 57,772.67, 86,658.30 and 18,330.12

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Solution

The fourth proportional to 57,772.67, 86,658.30 and 18,330.12 is: 27,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.67 : 86,658.30 = 18,330.12 : x
  2. Step 2: Convert to fraction form
    57,772.67/86,658.30 = 18,330.12/x
  3. Step 3: Cross multiply
    57,772.67x = 86,658.30 × 18,330.12
  4. Step 4: Simplify right side
    57,772.67x = 1,588,457,038.00
  5. Step 5: Solve for x
    x = 1,588,457,038.00/57,772.67
  6. Step 6: Final answer
    x = 27,494.96

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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.