Home / 39,171.18-58,756.77-14,214.54

Finding the Fourth Proportional to 39,171.18, 58,756.77 and 14,214.54

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Solution

The fourth proportional to 39,171.18, 58,756.77 and 14,214.54 is: 21,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.18 : 58,756.77 = 14,214.54 : x
  2. Step 2: Convert to fraction form
    39,171.18/58,756.77 = 14,214.54/x
  3. Step 3: Cross multiply
    39,171.18x = 58,756.77 × 14,214.54
  4. Step 4: Simplify right side
    39,171.18x = 835,200,457.44
  5. Step 5: Solve for x
    x = 835,200,457.44/39,171.18
  6. Step 6: Final answer
    x = 21,321.81

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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.