Home / 29,035.14-40,083.30-20,543.91

Finding the Fourth Proportional to 29,035.14, 40,083.30 and 20,543.91

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Solution

The fourth proportional to 29,035.14, 40,083.30 and 20,543.91 is: 28,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035.14 : 40,083.30 = 20,543.91 : x
  2. Step 2: Convert to fraction form
    29,035.14/40,083.30 = 20,543.91/x
  3. Step 3: Cross multiply
    29,035.14x = 40,083.30 × 20,543.91
  4. Step 4: Simplify right side
    29,035.14x = 823,467,707.70
  5. Step 5: Solve for x
    x = 823,467,707.70/29,035.14
  6. Step 6: Final answer
    x = 28,361.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.