Home / 39,120.41-58,690.85-16,928.58

Finding the Fourth Proportional to 39,120.41, 58,690.85 and 16,928.58

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Solution

The fourth proportional to 39,120.41, 58,690.85 and 16,928.58 is: 25,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.41 : 58,690.85 = 16,928.58 : x
  2. Step 2: Convert to fraction form
    39,120.41/58,690.85 = 16,928.58/x
  3. Step 3: Cross multiply
    39,120.41x = 58,690.85 × 16,928.58
  4. Step 4: Simplify right side
    39,120.41x = 993,552,664.85
  5. Step 5: Solve for x
    x = 993,552,664.85/39,120.41
  6. Step 6: Final answer
    x = 25,397.30

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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.