Home / 30,882.38-46,385.55-18,426.71

Finding the Fourth Proportional to 30,882.38, 46,385.55 and 18,426.71

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Solution

The fourth proportional to 30,882.38, 46,385.55 and 18,426.71 is: 27,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.38 : 46,385.55 = 18,426.71 : x
  2. Step 2: Convert to fraction form
    30,882.38/46,385.55 = 18,426.71/x
  3. Step 3: Cross multiply
    30,882.38x = 46,385.55 × 18,426.71
  4. Step 4: Simplify right side
    30,882.38x = 854,733,078.04
  5. Step 5: Solve for x
    x = 854,733,078.04/30,882.38
  6. Step 6: Final answer
    x = 27,677.05

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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.