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Finding the Fourth Proportional to 72,504.16, 108,780.90 and 22,595.56

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Solution

The fourth proportional to 72,504.16, 108,780.90 and 22,595.56 is: 33,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504.16 : 108,780.90 = 22,595.56 : x
  2. Step 2: Convert to fraction form
    72,504.16/108,780.90 = 22,595.56/x
  3. Step 3: Cross multiply
    72,504.16x = 108,780.90 × 22,595.56
  4. Step 4: Simplify right side
    72,504.16x = 2,457,965,352.80
  5. Step 5: Solve for x
    x = 2,457,965,352.80/72,504.16
  6. Step 6: Final answer
    x = 33,901.03

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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.