Home / 44,540.20-66,810.30-21,212.20

Finding the Fourth Proportional to 44,540.20, 66,810.30 and 21,212.20

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Solution

The fourth proportional to 44,540.20, 66,810.30 and 21,212.20 is: 31,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,540.20 : 66,810.30 = 21,212.20 : x
  2. Step 2: Convert to fraction form
    44,540.20/66,810.30 = 21,212.20/x
  3. Step 3: Cross multiply
    44,540.20x = 66,810.30 × 21,212.20
  4. Step 4: Simplify right side
    44,540.20x = 1,417,193,445.66
  5. Step 5: Solve for x
    x = 1,417,193,445.66/44,540.20
  6. Step 6: Final answer
    x = 31,818.30

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1.5x scale

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.