Home / 28,761.02-43,204.43-20,494.16

Finding the Fourth Proportional to 28,761.02, 43,204.43 and 20,494.16

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Solution

The fourth proportional to 28,761.02, 43,204.43 and 20,494.16 is: 30,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.02 : 43,204.43 = 20,494.16 : x
  2. Step 2: Convert to fraction form
    28,761.02/43,204.43 = 20,494.16/x
  3. Step 3: Cross multiply
    28,761.02x = 43,204.43 × 20,494.16
  4. Step 4: Simplify right side
    28,761.02x = 885,438,501.13
  5. Step 5: Solve for x
    x = 885,438,501.13/28,761.02
  6. Step 6: Final answer
    x = 30,786.06

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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.