Home / 32,876.88-45,370.09-20,301.63

Finding the Fourth Proportional to 32,876.88, 45,370.09 and 20,301.63

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Solution

The fourth proportional to 32,876.88, 45,370.09 and 20,301.63 is: 28,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.88 : 45,370.09 = 20,301.63 : x
  2. Step 2: Convert to fraction form
    32,876.88/45,370.09 = 20,301.63/x
  3. Step 3: Cross multiply
    32,876.88x = 45,370.09 × 20,301.63
  4. Step 4: Simplify right side
    32,876.88x = 921,086,780.25
  5. Step 5: Solve for x
    x = 921,086,780.25/32,876.88
  6. Step 6: Final answer
    x = 28,016.25

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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.