Home / 40,664.20-60,996.30-12,962.20

Finding the Fourth Proportional to 40,664.20, 60,996.30 and 12,962.20

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Solution

The fourth proportional to 40,664.20, 60,996.30 and 12,962.20 is: 19,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,664.20 : 60,996.30 = 12,962.20 : x
  2. Step 2: Convert to fraction form
    40,664.20/60,996.30 = 12,962.20/x
  3. Step 3: Cross multiply
    40,664.20x = 60,996.30 × 12,962.20
  4. Step 4: Simplify right side
    40,664.20x = 790,646,239.86
  5. Step 5: Solve for x
    x = 790,646,239.86/40,664.20
  6. Step 6: Final answer
    x = 19,443.30

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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.