Home / 43,008.10-64,512.15-33,166.60

Finding the Fourth Proportional to 43,008.10, 64,512.15 and 33,166.60

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Solution

The fourth proportional to 43,008.10, 64,512.15 and 33,166.60 is: 49,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,008.10 : 64,512.15 = 33,166.60 : x
  2. Step 2: Convert to fraction form
    43,008.10/64,512.15 = 33,166.60/x
  3. Step 3: Cross multiply
    43,008.10x = 64,512.15 × 33,166.60
  4. Step 4: Simplify right side
    43,008.10x = 2,139,648,674.19
  5. Step 5: Solve for x
    x = 2,139,648,674.19/43,008.10
  6. Step 6: Final answer
    x = 49,749.90

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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.