Home / 44,444.20-66,633.90-18,135.40

Finding the Fourth Proportional to 44,444.20, 66,633.90 and 18,135.40

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Solution

The fourth proportional to 44,444.20, 66,633.90 and 18,135.40 is: 27,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,444.20 : 66,633.90 = 18,135.40 : x
  2. Step 2: Convert to fraction form
    44,444.20/66,633.90 = 18,135.40/x
  3. Step 3: Cross multiply
    44,444.20x = 66,633.90 × 18,135.40
  4. Step 4: Simplify right side
    44,444.20x = 1,208,432,430.06
  5. Step 5: Solve for x
    x = 1,208,432,430.06/44,444.20
  6. Step 6: Final answer
    x = 27,189.88

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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.