Home / 43,330.20-64,992.33-12,165.45

Finding the Fourth Proportional to 43,330.20, 64,992.33 and 12,165.45

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Solution

The fourth proportional to 43,330.20, 64,992.33 and 12,165.45 is: 18,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.20 : 64,992.33 = 12,165.45 : x
  2. Step 2: Convert to fraction form
    43,330.20/64,992.33 = 12,165.45/x
  3. Step 3: Cross multiply
    43,330.20x = 64,992.33 × 12,165.45
  4. Step 4: Simplify right side
    43,330.20x = 790,660,941.00
  5. Step 5: Solve for x
    x = 790,660,941.00/43,330.20
  6. Step 6: Final answer
    x = 18,247.34

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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.