Home / 29,331.34-40,462.38-18,558.13

Finding the Fourth Proportional to 29,331.34, 40,462.38 and 18,558.13

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Solution

The fourth proportional to 29,331.34, 40,462.38 and 18,558.13 is: 25,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.34 : 40,462.38 = 18,558.13 : x
  2. Step 2: Convert to fraction form
    29,331.34/40,462.38 = 18,558.13/x
  3. Step 3: Cross multiply
    29,331.34x = 40,462.38 × 18,558.13
  4. Step 4: Simplify right side
    29,331.34x = 750,906,108.15
  5. Step 5: Solve for x
    x = 750,906,108.15/29,331.34
  6. Step 6: Final answer
    x = 25,600.81

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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.