Home / 57,320.41-79,101.06-31,825.46

Finding the Fourth Proportional to 57,320.41, 79,101.06 and 31,825.46

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Solution

The fourth proportional to 57,320.41, 79,101.06 and 31,825.46 is: 43,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.41 : 79,101.06 = 31,825.46 : x
  2. Step 2: Convert to fraction form
    57,320.41/79,101.06 = 31,825.46/x
  3. Step 3: Cross multiply
    57,320.41x = 79,101.06 × 31,825.46
  4. Step 4: Simplify right side
    57,320.41x = 2,517,427,254.45
  5. Step 5: Solve for x
    x = 2,517,427,254.45/57,320.41
  6. Step 6: Final answer
    x = 43,918.51

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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.