Home / 36,845.49-55,221.93-19,977.87

Finding the Fourth Proportional to 36,845.49, 55,221.93 and 19,977.87

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Solution

The fourth proportional to 36,845.49, 55,221.93 and 19,977.87 is: 29,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,845.49 : 55,221.93 = 19,977.87 : x
  2. Step 2: Convert to fraction form
    36,845.49/55,221.93 = 19,977.87/x
  3. Step 3: Cross multiply
    36,845.49x = 55,221.93 × 19,977.87
  4. Step 4: Simplify right side
    36,845.49x = 1,103,216,538.69
  5. Step 5: Solve for x
    x = 1,103,216,538.69/36,845.49
  6. Step 6: Final answer
    x = 29,941.70

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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.