Home / 29,987.35-44,886.70-20,572.31

Finding the Fourth Proportional to 29,987.35, 44,886.70 and 20,572.31

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Solution

The fourth proportional to 29,987.35, 44,886.70 and 20,572.31 is: 30,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.35 : 44,886.70 = 20,572.31 : x
  2. Step 2: Convert to fraction form
    29,987.35/44,886.70 = 20,572.31/x
  3. Step 3: Cross multiply
    29,987.35x = 44,886.70 × 20,572.31
  4. Step 4: Simplify right side
    29,987.35x = 923,423,107.28
  5. Step 5: Solve for x
    x = 923,423,107.28/29,987.35
  6. Step 6: Final answer
    x = 30,793.76

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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.