Home / 36,947.40-55,402.94-21,150.04

Finding the Fourth Proportional to 36,947.40, 55,402.94 and 21,150.04

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Solution

The fourth proportional to 36,947.40, 55,402.94 and 21,150.04 is: 31,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.40 : 55,402.94 = 21,150.04 : x
  2. Step 2: Convert to fraction form
    36,947.40/55,402.94 = 21,150.04/x
  3. Step 3: Cross multiply
    36,947.40x = 55,402.94 × 21,150.04
  4. Step 4: Simplify right side
    36,947.40x = 1,171,774,397.12
  5. Step 5: Solve for x
    x = 1,171,774,397.12/36,947.40
  6. Step 6: Final answer
    x = 31,714.66

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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.