Home / 43,012.22-64,518.21-11,425.45

Finding the Fourth Proportional to 43,012.22, 64,518.21 and 11,425.45

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Solution

The fourth proportional to 43,012.22, 64,518.21 and 11,425.45 is: 17,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.22 : 64,518.21 = 11,425.45 : x
  2. Step 2: Convert to fraction form
    43,012.22/64,518.21 = 11,425.45/x
  3. Step 3: Cross multiply
    43,012.22x = 64,518.21 × 11,425.45
  4. Step 4: Simplify right side
    43,012.22x = 737,149,684.83
  5. Step 5: Solve for x
    x = 737,149,684.83/43,012.22
  6. Step 6: Final answer
    x = 17,138.14

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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.