Home / 40,188.37-60,292.55-12,107.79

Finding the Fourth Proportional to 40,188.37, 60,292.55 and 12,107.79

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Solution

The fourth proportional to 40,188.37, 60,292.55 and 12,107.79 is: 18,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.37 : 60,292.55 = 12,107.79 : x
  2. Step 2: Convert to fraction form
    40,188.37/60,292.55 = 12,107.79/x
  3. Step 3: Cross multiply
    40,188.37x = 60,292.55 × 12,107.79
  4. Step 4: Simplify right side
    40,188.37x = 730,009,533.96
  5. Step 5: Solve for x
    x = 730,009,533.96/40,188.37
  6. Step 6: Final answer
    x = 18,164.70

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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.