Home / 43,200.32-64,749.56-19,480.09

Finding the Fourth Proportional to 43,200.32, 64,749.56 and 19,480.09

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Solution

The fourth proportional to 43,200.32, 64,749.56 and 19,480.09 is: 29,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.32 : 64,749.56 = 19,480.09 : x
  2. Step 2: Convert to fraction form
    43,200.32/64,749.56 = 19,480.09/x
  3. Step 3: Cross multiply
    43,200.32x = 64,749.56 × 19,480.09
  4. Step 4: Simplify right side
    43,200.32x = 1,261,326,835.11
  5. Step 5: Solve for x
    x = 1,261,326,835.11/43,200.32
  6. Step 6: Final answer
    x = 29,197.17

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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.