Home / 43,125.57-64,667.86-15,042.21

Finding the Fourth Proportional to 43,125.57, 64,667.86 and 15,042.21

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Solution

The fourth proportional to 43,125.57, 64,667.86 and 15,042.21 is: 22,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.57 : 64,667.86 = 15,042.21 : x
  2. Step 2: Convert to fraction form
    43,125.57/64,667.86 = 15,042.21/x
  3. Step 3: Cross multiply
    43,125.57x = 64,667.86 × 15,042.21
  4. Step 4: Simplify right side
    43,125.57x = 972,747,530.37
  5. Step 5: Solve for x
    x = 972,747,530.37/43,125.57
  6. Step 6: Final answer
    x = 22,556.17

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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.