Home / 32,885.76-45,371.59-20,125.64

Finding the Fourth Proportional to 32,885.76, 45,371.59 and 20,125.64

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Solution

The fourth proportional to 32,885.76, 45,371.59 and 20,125.64 is: 27,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.76 : 45,371.59 = 20,125.64 : x
  2. Step 2: Convert to fraction form
    32,885.76/45,371.59 = 20,125.64/x
  3. Step 3: Cross multiply
    32,885.76x = 45,371.59 × 20,125.64
  4. Step 4: Simplify right side
    32,885.76x = 913,132,335.28
  5. Step 5: Solve for x
    x = 913,132,335.28/32,885.76
  6. Step 6: Final answer
    x = 27,766.80

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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.