Home / 43,221.85-64,841.51-18,261.97

Finding the Fourth Proportional to 43,221.85, 64,841.51 and 18,261.97

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Solution

The fourth proportional to 43,221.85, 64,841.51 and 18,261.97 is: 27,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.85 : 64,841.51 = 18,261.97 : x
  2. Step 2: Convert to fraction form
    43,221.85/64,841.51 = 18,261.97/x
  3. Step 3: Cross multiply
    43,221.85x = 64,841.51 × 18,261.97
  4. Step 4: Simplify right side
    43,221.85x = 1,184,133,710.37
  5. Step 5: Solve for x
    x = 1,184,133,710.37/43,221.85
  6. Step 6: Final answer
    x = 27,396.65

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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.