Home / 32,884.84-45,381.17-20,945.62

Finding the Fourth Proportional to 32,884.84, 45,381.17 and 20,945.62

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Solution

The fourth proportional to 32,884.84, 45,381.17 and 20,945.62 is: 28,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,884.84 : 45,381.17 = 20,945.62 : x
  2. Step 2: Convert to fraction form
    32,884.84/45,381.17 = 20,945.62/x
  3. Step 3: Cross multiply
    32,884.84x = 45,381.17 × 20,945.62
  4. Step 4: Simplify right side
    32,884.84x = 950,536,410.34
  5. Step 5: Solve for x
    x = 950,536,410.34/32,884.84
  6. Step 6: Final answer
    x = 28,905.01

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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.