Home / 39,852.56-59,778.84-12,150.56

Finding the Fourth Proportional to 39,852.56, 59,778.84 and 12,150.56

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Solution

The fourth proportional to 39,852.56, 59,778.84 and 12,150.56 is: 18,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.56 : 59,778.84 = 12,150.56 : x
  2. Step 2: Convert to fraction form
    39,852.56/59,778.84 = 12,150.56/x
  3. Step 3: Cross multiply
    39,852.56x = 59,778.84 × 12,150.56
  4. Step 4: Simplify right side
    39,852.56x = 726,346,382.15
  5. Step 5: Solve for x
    x = 726,346,382.15/39,852.56
  6. Step 6: Final answer
    x = 18,225.84

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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.