Home / 56,742.78-85,113.94-17,299.78

Finding the Fourth Proportional to 56,742.78, 85,113.94 and 17,299.78

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Solution

The fourth proportional to 56,742.78, 85,113.94 and 17,299.78 is: 25,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.78 : 85,113.94 = 17,299.78 : x
  2. Step 2: Convert to fraction form
    56,742.78/85,113.94 = 17,299.78/x
  3. Step 3: Cross multiply
    56,742.78x = 85,113.94 × 17,299.78
  4. Step 4: Simplify right side
    56,742.78x = 1,472,452,213.34
  5. Step 5: Solve for x
    x = 1,472,452,213.34/56,742.78
  6. Step 6: Final answer
    x = 25,949.60

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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.