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Finding the Fourth Proportional to 56,069.82, 84,104.73 and 21,004.92

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Solution

The fourth proportional to 56,069.82, 84,104.73 and 21,004.92 is: 31,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,069.82 : 84,104.73 = 21,004.92 : x
  2. Step 2: Convert to fraction form
    56,069.82/84,104.73 = 21,004.92/x
  3. Step 3: Cross multiply
    56,069.82x = 84,104.73 × 21,004.92
  4. Step 4: Simplify right side
    56,069.82x = 1,766,613,125.27
  5. Step 5: Solve for x
    x = 1,766,613,125.27/56,069.82
  6. Step 6: Final answer
    x = 31,507.38

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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.