Home / 39,760.56-59,643.72-12,060.72

Finding the Fourth Proportional to 39,760.56, 59,643.72 and 12,060.72

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Solution

The fourth proportional to 39,760.56, 59,643.72 and 12,060.72 is: 18,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.56 : 59,643.72 = 12,060.72 : x
  2. Step 2: Convert to fraction form
    39,760.56/59,643.72 = 12,060.72/x
  3. Step 3: Cross multiply
    39,760.56x = 59,643.72 × 12,060.72
  4. Step 4: Simplify right side
    39,760.56x = 719,346,206.68
  5. Step 5: Solve for x
    x = 719,346,206.68/39,760.56
  6. Step 6: Final answer
    x = 18,091.95

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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.