Home / 39,166.20-58,749.30-12,873.60

Finding the Fourth Proportional to 39,166.20, 58,749.30 and 12,873.60

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Solution

The fourth proportional to 39,166.20, 58,749.30 and 12,873.60 is: 19,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.20 : 58,749.30 = 12,873.60 : x
  2. Step 2: Convert to fraction form
    39,166.20/58,749.30 = 12,873.60/x
  3. Step 3: Cross multiply
    39,166.20x = 58,749.30 × 12,873.60
  4. Step 4: Simplify right side
    39,166.20x = 756,314,988.48
  5. Step 5: Solve for x
    x = 756,314,988.48/39,166.20
  6. Step 6: Final answer
    x = 19,310.40

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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.