Home / 29,113.68-40,178.52-22,027.80

Finding the Fourth Proportional to 29,113.68, 40,178.52 and 22,027.80

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Solution

The fourth proportional to 29,113.68, 40,178.52 and 22,027.80 is: 30,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113.68 : 40,178.52 = 22,027.80 : x
  2. Step 2: Convert to fraction form
    29,113.68/40,178.52 = 22,027.80/x
  3. Step 3: Cross multiply
    29,113.68x = 40,178.52 × 22,027.80
  4. Step 4: Simplify right side
    29,113.68x = 885,044,402.86
  5. Step 5: Solve for x
    x = 885,044,402.86/29,113.68
  6. Step 6: Final answer
    x = 30,399.61

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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.