Home / 48,200.10-72,278.55-21,891.30

Finding the Fourth Proportional to 48,200.10, 72,278.55 and 21,891.30

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Solution

The fourth proportional to 48,200.10, 72,278.55 and 21,891.30 is: 32,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,200.10 : 72,278.55 = 21,891.30 : x
  2. Step 2: Convert to fraction form
    48,200.10/72,278.55 = 21,891.30/x
  3. Step 3: Cross multiply
    48,200.10x = 72,278.55 × 21,891.30
  4. Step 4: Simplify right side
    48,200.10x = 1,582,271,421.62
  5. Step 5: Solve for x
    x = 1,582,271,421.62/48,200.10
  6. Step 6: Final answer
    x = 32,827.14

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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.