Home / 29,309.02-43,965.56-11,778.86

Finding the Fourth Proportional to 29,309.02, 43,965.56 and 11,778.86

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Solution

The fourth proportional to 29,309.02, 43,965.56 and 11,778.86 is: 17,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.02 : 43,965.56 = 11,778.86 : x
  2. Step 2: Convert to fraction form
    29,309.02/43,965.56 = 11,778.86/x
  3. Step 3: Cross multiply
    29,309.02x = 43,965.56 × 11,778.86
  4. Step 4: Simplify right side
    29,309.02x = 517,864,315.42
  5. Step 5: Solve for x
    x = 517,864,315.42/29,309.02
  6. Step 6: Final answer
    x = 17,669.11

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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.