Home / 36,774.68-55,151-13,395.64

Finding the Fourth Proportional to 36,774.68, 55,151 and 13,395.64

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Solution

The fourth proportional to 36,774.68, 55,151 and 13,395.64 is: 20,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,774.68 : 55,151 = 13,395.64 : x
  2. Step 2: Convert to fraction form
    36,774.68/55,151 = 13,395.64/x
  3. Step 3: Cross multiply
    36,774.68x = 55,151 × 13,395.64
  4. Step 4: Simplify right side
    36,774.68x = 738,782,941.64
  5. Step 5: Solve for x
    x = 738,782,941.64/36,774.68
  6. Step 6: Final answer
    x = 20,089.45

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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.