Home / 39,171.41-58,756.44-12,517.20

Finding the Fourth Proportional to 39,171.41, 58,756.44 and 12,517.20

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Solution

The fourth proportional to 39,171.41, 58,756.44 and 12,517.20 is: 18,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.41 : 58,756.44 = 12,517.20 : x
  2. Step 2: Convert to fraction form
    39,171.41/58,756.44 = 12,517.20/x
  3. Step 3: Cross multiply
    39,171.41x = 58,756.44 × 12,517.20
  4. Step 4: Simplify right side
    39,171.41x = 735,466,110.77
  5. Step 5: Solve for x
    x = 735,466,110.77/39,171.41
  6. Step 6: Final answer
    x = 18,775.59

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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.