Home / 39,175.10-58,750.20-12,873.68

Finding the Fourth Proportional to 39,175.10, 58,750.20 and 12,873.68

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Solution

The fourth proportional to 39,175.10, 58,750.20 and 12,873.68 is: 19,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.10 : 58,750.20 = 12,873.68 : x
  2. Step 2: Convert to fraction form
    39,175.10/58,750.20 = 12,873.68/x
  3. Step 3: Cross multiply
    39,175.10x = 58,750.20 × 12,873.68
  4. Step 4: Simplify right side
    39,175.10x = 756,331,274.74
  5. Step 5: Solve for x
    x = 756,331,274.74/39,175.10
  6. Step 6: Final answer
    x = 19,306.43

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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.