Home / 56,434.92-77,883.36-31,283.88

Finding the Fourth Proportional to 56,434.92, 77,883.36 and 31,283.88

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Solution

The fourth proportional to 56,434.92, 77,883.36 and 31,283.88 is: 43,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.92 : 77,883.36 = 31,283.88 : x
  2. Step 2: Convert to fraction form
    56,434.92/77,883.36 = 31,283.88/x
  3. Step 3: Cross multiply
    56,434.92x = 77,883.36 × 31,283.88
  4. Step 4: Simplify right side
    56,434.92x = 2,436,493,688.24
  5. Step 5: Solve for x
    x = 2,436,493,688.24/56,434.92
  6. Step 6: Final answer
    x = 43,173.51

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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.