Home / 40,134.36-55,385.88-22,229.67

Finding the Fourth Proportional to 40,134.36, 55,385.88 and 22,229.67

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Solution

The fourth proportional to 40,134.36, 55,385.88 and 22,229.67 is: 30,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.36 : 55,385.88 = 22,229.67 : x
  2. Step 2: Convert to fraction form
    40,134.36/55,385.88 = 22,229.67/x
  3. Step 3: Cross multiply
    40,134.36x = 55,385.88 × 22,229.67
  4. Step 4: Simplify right side
    40,134.36x = 1,231,209,835.06
  5. Step 5: Solve for x
    x = 1,231,209,835.06/40,134.36
  6. Step 6: Final answer
    x = 30,677.20

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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.