Home / 29,155.02-43,740.09-12,512.22

Finding the Fourth Proportional to 29,155.02, 43,740.09 and 12,512.22

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Solution

The fourth proportional to 29,155.02, 43,740.09 and 12,512.22 is: 18,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.02 : 43,740.09 = 12,512.22 : x
  2. Step 2: Convert to fraction form
    29,155.02/43,740.09 = 12,512.22/x
  3. Step 3: Cross multiply
    29,155.02x = 43,740.09 × 12,512.22
  4. Step 4: Simplify right side
    29,155.02x = 547,285,628.90
  5. Step 5: Solve for x
    x = 547,285,628.90/29,155.02
  6. Step 6: Final answer
    x = 18,771.57

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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.