Home / 40,305.71-55,622.17-22,156.77

Finding the Fourth Proportional to 40,305.71, 55,622.17 and 22,156.77

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Solution

The fourth proportional to 40,305.71, 55,622.17 and 22,156.77 is: 30,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.71 : 55,622.17 = 22,156.77 : x
  2. Step 2: Convert to fraction form
    40,305.71/55,622.17 = 22,156.77/x
  3. Step 3: Cross multiply
    40,305.71x = 55,622.17 × 22,156.77
  4. Step 4: Simplify right side
    40,305.71x = 1,232,407,572.20
  5. Step 5: Solve for x
    x = 1,232,407,572.20/40,305.71
  6. Step 6: Final answer
    x = 30,576.50

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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.