Home / 30,426.24-45,639.30-11,454.42

Finding the Fourth Proportional to 30,426.24, 45,639.30 and 11,454.42

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Solution

The fourth proportional to 30,426.24, 45,639.30 and 11,454.42 is: 17,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.24 : 45,639.30 = 11,454.42 : x
  2. Step 2: Convert to fraction form
    30,426.24/45,639.30 = 11,454.42/x
  3. Step 3: Cross multiply
    30,426.24x = 45,639.30 × 11,454.42
  4. Step 4: Simplify right side
    30,426.24x = 522,771,710.71
  5. Step 5: Solve for x
    x = 522,771,710.71/30,426.24
  6. Step 6: Final answer
    x = 17,181.61

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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.