Home / 56,756.50-85,137.14-16,775.57

Finding the Fourth Proportional to 56,756.50, 85,137.14 and 16,775.57

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Solution

The fourth proportional to 56,756.50, 85,137.14 and 16,775.57 is: 25,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.50 : 85,137.14 = 16,775.57 : x
  2. Step 2: Convert to fraction form
    56,756.50/85,137.14 = 16,775.57/x
  3. Step 3: Cross multiply
    56,756.50x = 85,137.14 × 16,775.57
  4. Step 4: Simplify right side
    56,756.50x = 1,428,224,306.45
  5. Step 5: Solve for x
    x = 1,428,224,306.45/56,756.50
  6. Step 6: Final answer
    x = 25,164.07

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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.