Home / 40,511.40-55,905.60-22,606.21

Finding the Fourth Proportional to 40,511.40, 55,905.60 and 22,606.21

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Solution

The fourth proportional to 40,511.40, 55,905.60 and 22,606.21 is: 31,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.40 : 55,905.60 = 22,606.21 : x
  2. Step 2: Convert to fraction form
    40,511.40/55,905.60 = 22,606.21/x
  3. Step 3: Cross multiply
    40,511.40x = 55,905.60 × 22,606.21
  4. Step 4: Simplify right side
    40,511.40x = 1,263,813,733.78
  5. Step 5: Solve for x
    x = 1,263,813,733.78/40,511.40
  6. Step 6: Final answer
    x = 31,196.50

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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.