Home / 72,416.50-108,624.84-30,273.52

Finding the Fourth Proportional to 72,416.50, 108,624.84 and 30,273.52

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Solution

The fourth proportional to 72,416.50, 108,624.84 and 30,273.52 is: 45,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,416.50 : 108,624.84 = 30,273.52 : x
  2. Step 2: Convert to fraction form
    72,416.50/108,624.84 = 30,273.52/x
  3. Step 3: Cross multiply
    72,416.50x = 108,624.84 × 30,273.52
  4. Step 4: Simplify right side
    72,416.50x = 3,288,456,266.24
  5. Step 5: Solve for x
    x = 3,288,456,266.24/72,416.50
  6. Step 6: Final answer
    x = 45,410.32

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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.