Home / 56,868.58-85,299.79-17,425.81

Finding the Fourth Proportional to 56,868.58, 85,299.79 and 17,425.81

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Solution

The fourth proportional to 56,868.58, 85,299.79 and 17,425.81 is: 26,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.58 : 85,299.79 = 17,425.81 : x
  2. Step 2: Convert to fraction form
    56,868.58/85,299.79 = 17,425.81/x
  3. Step 3: Cross multiply
    56,868.58x = 85,299.79 × 17,425.81
  4. Step 4: Simplify right side
    56,868.58x = 1,486,417,419.95
  5. Step 5: Solve for x
    x = 1,486,417,419.95/56,868.58
  6. Step 6: Final answer
    x = 26,137.76

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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.