Home / 44,438.20-66,657.30-40,809.40

Finding the Fourth Proportional to 44,438.20, 66,657.30 and 40,809.40

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Solution

The fourth proportional to 44,438.20, 66,657.30 and 40,809.40 is: 61,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,438.20 : 66,657.30 = 40,809.40 : x
  2. Step 2: Convert to fraction form
    44,438.20/66,657.30 = 40,809.40/x
  3. Step 3: Cross multiply
    44,438.20x = 66,657.30 × 40,809.40
  4. Step 4: Simplify right side
    44,438.20x = 2,720,244,418.62
  5. Step 5: Solve for x
    x = 2,720,244,418.62/44,438.20
  6. Step 6: Final answer
    x = 61,214.10

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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.