Home / 39,009.30-58,520.02-12,707.92

Finding the Fourth Proportional to 39,009.30, 58,520.02 and 12,707.92

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Solution

The fourth proportional to 39,009.30, 58,520.02 and 12,707.92 is: 19,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.30 : 58,520.02 = 12,707.92 : x
  2. Step 2: Convert to fraction form
    39,009.30/58,520.02 = 12,707.92/x
  3. Step 3: Cross multiply
    39,009.30x = 58,520.02 × 12,707.92
  4. Step 4: Simplify right side
    39,009.30x = 743,667,732.56
  5. Step 5: Solve for x
    x = 743,667,732.56/39,009.30
  6. Step 6: Final answer
    x = 19,063.86

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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.