Home / 29,640.86-40,903.81-16,212.07

Finding the Fourth Proportional to 29,640.86, 40,903.81 and 16,212.07

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Solution

The fourth proportional to 29,640.86, 40,903.81 and 16,212.07 is: 22,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.86 : 40,903.81 = 16,212.07 : x
  2. Step 2: Convert to fraction form
    29,640.86/40,903.81 = 16,212.07/x
  3. Step 3: Cross multiply
    29,640.86x = 40,903.81 × 16,212.07
  4. Step 4: Simplify right side
    29,640.86x = 663,135,349.93
  5. Step 5: Solve for x
    x = 663,135,349.93/29,640.86
  6. Step 6: Final answer
    x = 22,372.34

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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.