Home / 32,647.08-45,062.60-21,318.34

Finding the Fourth Proportional to 32,647.08, 45,062.60 and 21,318.34

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Solution

The fourth proportional to 32,647.08, 45,062.60 and 21,318.34 is: 29,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,647.08 : 45,062.60 = 21,318.34 : x
  2. Step 2: Convert to fraction form
    32,647.08/45,062.60 = 21,318.34/x
  3. Step 3: Cross multiply
    32,647.08x = 45,062.60 × 21,318.34
  4. Step 4: Simplify right side
    32,647.08x = 960,659,496.18
  5. Step 5: Solve for x
    x = 960,659,496.18/32,647.08
  6. Step 6: Final answer
    x = 29,425.59

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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.