Home / 36,972.59-55,455.84-19,203.21

Finding the Fourth Proportional to 36,972.59, 55,455.84 and 19,203.21

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Solution

The fourth proportional to 36,972.59, 55,455.84 and 19,203.21 is: 28,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.59 : 55,455.84 = 19,203.21 : x
  2. Step 2: Convert to fraction form
    36,972.59/55,455.84 = 19,203.21/x
  3. Step 3: Cross multiply
    36,972.59x = 55,455.84 × 19,203.21
  4. Step 4: Simplify right side
    36,972.59x = 1,064,930,141.25
  5. Step 5: Solve for x
    x = 1,064,930,141.25/36,972.59
  6. Step 6: Final answer
    x = 28,803.24

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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.