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Finding the Fourth Proportional to 60,944.66, 91,430.64 and 21,502.10

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Solution

The fourth proportional to 60,944.66, 91,430.64 and 21,502.10 is: 32,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,944.66 : 91,430.64 = 21,502.10 : x
  2. Step 2: Convert to fraction form
    60,944.66/91,430.64 = 21,502.10/x
  3. Step 3: Cross multiply
    60,944.66x = 91,430.64 × 21,502.10
  4. Step 4: Simplify right side
    60,944.66x = 1,965,950,764.34
  5. Step 5: Solve for x
    x = 1,965,950,764.34/60,944.66
  6. Step 6: Final answer
    x = 32,257.97

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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.