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Finding the Fourth Proportional to 56,450.56, 77,899.92 and 31,301.92

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Solution

The fourth proportional to 56,450.56, 77,899.92 and 31,301.92 is: 43,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.56 : 77,899.92 = 31,301.92 : x
  2. Step 2: Convert to fraction form
    56,450.56/77,899.92 = 31,301.92/x
  3. Step 3: Cross multiply
    56,450.56x = 77,899.92 × 31,301.92
  4. Step 4: Simplify right side
    56,450.56x = 2,438,417,063.85
  5. Step 5: Solve for x
    x = 2,438,417,063.85/56,450.56
  6. Step 6: Final answer
    x = 43,195.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.