Home / 56,759.05-85,143.45-14,638.75

Finding the Fourth Proportional to 56,759.05, 85,143.45 and 14,638.75

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Solution

The fourth proportional to 56,759.05, 85,143.45 and 14,638.75 is: 21,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,759.05 : 85,143.45 = 14,638.75 : x
  2. Step 2: Convert to fraction form
    56,759.05/85,143.45 = 14,638.75/x
  3. Step 3: Cross multiply
    56,759.05x = 85,143.45 × 14,638.75
  4. Step 4: Simplify right side
    56,759.05x = 1,246,393,252.97
  5. Step 5: Solve for x
    x = 1,246,393,252.97/56,759.05
  6. Step 6: Final answer
    x = 21,959.38

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1.5x scale

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.