Home / 43,270.60-64,901.58-12,106.12

Finding the Fourth Proportional to 43,270.60, 64,901.58 and 12,106.12

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Solution

The fourth proportional to 43,270.60, 64,901.58 and 12,106.12 is: 18,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,270.60 : 64,901.58 = 12,106.12 : x
  2. Step 2: Convert to fraction form
    43,270.60/64,901.58 = 12,106.12/x
  3. Step 3: Cross multiply
    43,270.60x = 64,901.58 × 12,106.12
  4. Step 4: Simplify right side
    43,270.60x = 785,706,315.67
  5. Step 5: Solve for x
    x = 785,706,315.67/43,270.60
  6. Step 6: Final answer
    x = 18,157.97

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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.