Home / 39,157.60-58,745.52-11,457.76

Finding the Fourth Proportional to 39,157.60, 58,745.52 and 11,457.76

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Solution

The fourth proportional to 39,157.60, 58,745.52 and 11,457.76 is: 17,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.60 : 58,745.52 = 11,457.76 : x
  2. Step 2: Convert to fraction form
    39,157.60/58,745.52 = 11,457.76/x
  3. Step 3: Cross multiply
    39,157.60x = 58,745.52 × 11,457.76
  4. Step 4: Simplify right side
    39,157.60x = 673,092,069.24
  5. Step 5: Solve for x
    x = 673,092,069.24/39,157.60
  6. Step 6: Final answer
    x = 17,189.31

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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.