Home / 40,269.75-55,624.55-30,651.20

Finding the Fourth Proportional to 40,269.75, 55,624.55 and 30,651.20

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Solution

The fourth proportional to 40,269.75, 55,624.55 and 30,651.20 is: 42,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269.75 : 55,624.55 = 30,651.20 : x
  2. Step 2: Convert to fraction form
    40,269.75/55,624.55 = 30,651.20/x
  3. Step 3: Cross multiply
    40,269.75x = 55,624.55 × 30,651.20
  4. Step 4: Simplify right side
    40,269.75x = 1,704,959,206.96
  5. Step 5: Solve for x
    x = 1,704,959,206.96/40,269.75
  6. Step 6: Final answer
    x = 42,338.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.