Home / 43,234.40-64,851.60-26,540.30

Finding the Fourth Proportional to 43,234.40, 64,851.60 and 26,540.30

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Solution

The fourth proportional to 43,234.40, 64,851.60 and 26,540.30 is: 39,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.40 : 64,851.60 = 26,540.30 : x
  2. Step 2: Convert to fraction form
    43,234.40/64,851.60 = 26,540.30/x
  3. Step 3: Cross multiply
    43,234.40x = 64,851.60 × 26,540.30
  4. Step 4: Simplify right side
    43,234.40x = 1,721,180,919.48
  5. Step 5: Solve for x
    x = 1,721,180,919.48/43,234.40
  6. Step 6: Final answer
    x = 39,810.45

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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.