Home / 39,836.16-59,763.24-12,132

Finding the Fourth Proportional to 39,836.16, 59,763.24 and 12,132

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Solution

The fourth proportional to 39,836.16, 59,763.24 and 12,132 is: 18,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,836.16 : 59,763.24 = 12,132 : x
  2. Step 2: Convert to fraction form
    39,836.16/59,763.24 = 12,132/x
  3. Step 3: Cross multiply
    39,836.16x = 59,763.24 × 12,132
  4. Step 4: Simplify right side
    39,836.16x = 725,047,627.68
  5. Step 5: Solve for x
    x = 725,047,627.68/39,836.16
  6. Step 6: Final answer
    x = 18,200.74

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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.