Home / 57,298.58-85,949.00-19,859.87

Finding the Fourth Proportional to 57,298.58, 85,949.00 and 19,859.87

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Solution

The fourth proportional to 57,298.58, 85,949.00 and 19,859.87 is: 29,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.58 : 85,949.00 = 19,859.87 : x
  2. Step 2: Convert to fraction form
    57,298.58/85,949.00 = 19,859.87/x
  3. Step 3: Cross multiply
    57,298.58x = 85,949.00 × 19,859.87
  4. Step 4: Simplify right side
    57,298.58x = 1,706,935,437.59
  5. Step 5: Solve for x
    x = 1,706,935,437.59/57,298.58
  6. Step 6: Final answer
    x = 29,790.19

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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.