Home / 32,740.48-45,170.01-21,416.43

Finding the Fourth Proportional to 32,740.48, 45,170.01 and 21,416.43

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Solution

The fourth proportional to 32,740.48, 45,170.01 and 21,416.43 is: 29,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.48 : 45,170.01 = 21,416.43 : x
  2. Step 2: Convert to fraction form
    32,740.48/45,170.01 = 21,416.43/x
  3. Step 3: Cross multiply
    32,740.48x = 45,170.01 × 21,416.43
  4. Step 4: Simplify right side
    32,740.48x = 967,380,357.26
  5. Step 5: Solve for x
    x = 967,380,357.26/32,740.48
  6. Step 6: Final answer
    x = 29,546.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.