Home / 72,406.56-108,624.96-22,485.36

Finding the Fourth Proportional to 72,406.56, 108,624.96 and 22,485.36

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Solution

The fourth proportional to 72,406.56, 108,624.96 and 22,485.36 is: 33,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406.56 : 108,624.96 = 22,485.36 : x
  2. Step 2: Convert to fraction form
    72,406.56/108,624.96 = 22,485.36/x
  3. Step 3: Cross multiply
    72,406.56x = 108,624.96 × 22,485.36
  4. Step 4: Simplify right side
    72,406.56x = 2,442,471,330.59
  5. Step 5: Solve for x
    x = 2,442,471,330.59/72,406.56
  6. Step 6: Final answer
    x = 33,732.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.