Home / 33,870.30-50,820.12-14,153.28

Finding the Fourth Proportional to 33,870.30, 50,820.12 and 14,153.28

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Solution

The fourth proportional to 33,870.30, 50,820.12 and 14,153.28 is: 21,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.30 : 50,820.12 = 14,153.28 : x
  2. Step 2: Convert to fraction form
    33,870.30/50,820.12 = 14,153.28/x
  3. Step 3: Cross multiply
    33,870.30x = 50,820.12 × 14,153.28
  4. Step 4: Simplify right side
    33,870.30x = 719,271,387.99
  5. Step 5: Solve for x
    x = 719,271,387.99/33,870.30
  6. Step 6: Final answer
    x = 21,236.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.