Home / 32,885.47-45,371.23-20,125.34

Finding the Fourth Proportional to 32,885.47, 45,371.23 and 20,125.34

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Solution

The fourth proportional to 32,885.47, 45,371.23 and 20,125.34 is: 27,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.47 : 45,371.23 = 20,125.34 : x
  2. Step 2: Convert to fraction form
    32,885.47/45,371.23 = 20,125.34/x
  3. Step 3: Cross multiply
    32,885.47x = 45,371.23 × 20,125.34
  4. Step 4: Simplify right side
    32,885.47x = 913,111,429.97
  5. Step 5: Solve for x
    x = 913,111,429.97/32,885.47
  6. Step 6: Final answer
    x = 27,766.41

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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.