Home / 43,203.25-64,785.85-21,842.81

Finding the Fourth Proportional to 43,203.25, 64,785.85 and 21,842.81

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Solution

The fourth proportional to 43,203.25, 64,785.85 and 21,842.81 is: 32,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,203.25 : 64,785.85 = 21,842.81 : x
  2. Step 2: Convert to fraction form
    43,203.25/64,785.85 = 21,842.81/x
  3. Step 3: Cross multiply
    43,203.25x = 64,785.85 × 21,842.81
  4. Step 4: Simplify right side
    43,203.25x = 1,415,105,302.50
  5. Step 5: Solve for x
    x = 1,415,105,302.50/43,203.25
  6. Step 6: Final answer
    x = 32,754.60

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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.