Home / 32,758.11-45,193.06-20,654.61

Finding the Fourth Proportional to 32,758.11, 45,193.06 and 20,654.61

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Solution

The fourth proportional to 32,758.11, 45,193.06 and 20,654.61 is: 28,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.11 : 45,193.06 = 20,654.61 : x
  2. Step 2: Convert to fraction form
    32,758.11/45,193.06 = 20,654.61/x
  3. Step 3: Cross multiply
    32,758.11x = 45,193.06 × 20,654.61
  4. Step 4: Simplify right side
    32,758.11x = 933,445,029.01
  5. Step 5: Solve for x
    x = 933,445,029.01/32,758.11
  6. Step 6: Final answer
    x = 28,495.08

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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.