Home / 43,340.68-65,013.45-12,173.50

Finding the Fourth Proportional to 43,340.68, 65,013.45 and 12,173.50

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Solution

The fourth proportional to 43,340.68, 65,013.45 and 12,173.50 is: 18,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.68 : 65,013.45 = 12,173.50 : x
  2. Step 2: Convert to fraction form
    43,340.68/65,013.45 = 12,173.50/x
  3. Step 3: Cross multiply
    43,340.68x = 65,013.45 × 12,173.50
  4. Step 4: Simplify right side
    43,340.68x = 791,441,233.58
  5. Step 5: Solve for x
    x = 791,441,233.58/43,340.68
  6. Step 6: Final answer
    x = 18,260.93

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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.