Home / 42,643.49-64,020.56-32,789.66

Finding the Fourth Proportional to 42,643.49, 64,020.56 and 32,789.66

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Solution

The fourth proportional to 42,643.49, 64,020.56 and 32,789.66 is: 49,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.49 : 64,020.56 = 32,789.66 : x
  2. Step 2: Convert to fraction form
    42,643.49/64,020.56 = 32,789.66/x
  3. Step 3: Cross multiply
    42,643.49x = 64,020.56 × 32,789.66
  4. Step 4: Simplify right side
    42,643.49x = 2,099,211,911.36
  5. Step 5: Solve for x
    x = 2,099,211,911.36/42,643.49
  6. Step 6: Final answer
    x = 49,227.03

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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.