Home / 39,175.99-58,768.16-12,512.66

Finding the Fourth Proportional to 39,175.99, 58,768.16 and 12,512.66

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Solution

The fourth proportional to 39,175.99, 58,768.16 and 12,512.66 is: 18,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.99 : 58,768.16 = 12,512.66 : x
  2. Step 2: Convert to fraction form
    39,175.99/58,768.16 = 12,512.66/x
  3. Step 3: Cross multiply
    39,175.99x = 58,768.16 × 12,512.66
  4. Step 4: Simplify right side
    39,175.99x = 735,346,004.91
  5. Step 5: Solve for x
    x = 735,346,004.91/39,175.99
  6. Step 6: Final answer
    x = 18,770.32

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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.