Home / 32,443.40-44,755.80-20,954.36

Finding the Fourth Proportional to 32,443.40, 44,755.80 and 20,954.36

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Solution

The fourth proportional to 32,443.40, 44,755.80 and 20,954.36 is: 28,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,443.40 : 44,755.80 = 20,954.36 : x
  2. Step 2: Convert to fraction form
    32,443.40/44,755.80 = 20,954.36/x
  3. Step 3: Cross multiply
    32,443.40x = 44,755.80 × 20,954.36
  4. Step 4: Simplify right side
    32,443.40x = 937,829,145.29
  5. Step 5: Solve for x
    x = 937,829,145.29/32,443.40
  6. Step 6: Final answer
    x = 28,906.62

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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.