Home / 72,035.28-108,052.96-19,444.72

Finding the Fourth Proportional to 72,035.28, 108,052.96 and 19,444.72

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Solution

The fourth proportional to 72,035.28, 108,052.96 and 19,444.72 is: 29,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,035.28 : 108,052.96 = 19,444.72 : x
  2. Step 2: Convert to fraction form
    72,035.28/108,052.96 = 19,444.72/x
  3. Step 3: Cross multiply
    72,035.28x = 108,052.96 × 19,444.72
  4. Step 4: Simplify right side
    72,035.28x = 2,101,059,552.37
  5. Step 5: Solve for x
    x = 2,101,059,552.37/72,035.28
  6. Step 6: Final answer
    x = 29,167.09

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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.