Home / 30,226.05-45,346.76-17,756.61

Finding the Fourth Proportional to 30,226.05, 45,346.76 and 17,756.61

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Solution

The fourth proportional to 30,226.05, 45,346.76 and 17,756.61 is: 26,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.05 : 45,346.76 = 17,756.61 : x
  2. Step 2: Convert to fraction form
    30,226.05/45,346.76 = 17,756.61/x
  3. Step 3: Cross multiply
    30,226.05x = 45,346.76 × 17,756.61
  4. Step 4: Simplify right side
    30,226.05x = 805,204,643.30
  5. Step 5: Solve for x
    x = 805,204,643.30/30,226.05
  6. Step 6: Final answer
    x = 26,639.43

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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.