Home / 72,350.07-108,551.70-30,234.39

Finding the Fourth Proportional to 72,350.07, 108,551.70 and 30,234.39

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Solution

The fourth proportional to 72,350.07, 108,551.70 and 30,234.39 is: 45,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.07 : 108,551.70 = 30,234.39 : x
  2. Step 2: Convert to fraction form
    72,350.07/108,551.70 = 30,234.39/x
  3. Step 3: Cross multiply
    72,350.07x = 108,551.70 × 30,234.39
  4. Step 4: Simplify right side
    72,350.07x = 3,281,994,432.96
  5. Step 5: Solve for x
    x = 3,281,994,432.96/72,350.07
  6. Step 6: Final answer
    x = 45,362.70

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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.