Home / 56,759.29-85,143.83-14,639.00

Finding the Fourth Proportional to 56,759.29, 85,143.83 and 14,639.00

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Solution

The fourth proportional to 56,759.29, 85,143.83 and 14,639.00 is: 21,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,759.29 : 85,143.83 = 14,639.00 : x
  2. Step 2: Convert to fraction form
    56,759.29/85,143.83 = 14,639.00/x
  3. Step 3: Cross multiply
    56,759.29x = 85,143.83 × 14,639.00
  4. Step 4: Simplify right side
    56,759.29x = 1,246,420,028.46
  5. Step 5: Solve for x
    x = 1,246,420,028.46/56,759.29
  6. Step 6: Final answer
    x = 21,959.75

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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.