Home / 36,557.75-54,839.37-20,756.68

Finding the Fourth Proportional to 36,557.75, 54,839.37 and 20,756.68

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Solution

The fourth proportional to 36,557.75, 54,839.37 and 20,756.68 is: 31,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,557.75 : 54,839.37 = 20,756.68 : x
  2. Step 2: Convert to fraction form
    36,557.75/54,839.37 = 20,756.68/x
  3. Step 3: Cross multiply
    36,557.75x = 54,839.37 × 20,756.68
  4. Step 4: Simplify right side
    36,557.75x = 1,138,283,254.49
  5. Step 5: Solve for x
    x = 1,138,283,254.49/36,557.75
  6. Step 6: Final answer
    x = 31,136.58

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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.