Home / 39,012.54-58,520.43-12,717.51

Finding the Fourth Proportional to 39,012.54, 58,520.43 and 12,717.51

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Solution

The fourth proportional to 39,012.54, 58,520.43 and 12,717.51 is: 19,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.54 : 58,520.43 = 12,717.51 : x
  2. Step 2: Convert to fraction form
    39,012.54/58,520.43 = 12,717.51/x
  3. Step 3: Cross multiply
    39,012.54x = 58,520.43 × 12,717.51
  4. Step 4: Simplify right side
    39,012.54x = 744,234,153.73
  5. Step 5: Solve for x
    x = 744,234,153.73/39,012.54
  6. Step 6: Final answer
    x = 19,076.79

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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.