Home / 30,588.20-45,766.36-18,114.92

Finding the Fourth Proportional to 30,588.20, 45,766.36 and 18,114.92

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Solution

The fourth proportional to 30,588.20, 45,766.36 and 18,114.92 is: 27,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.20 : 45,766.36 = 18,114.92 : x
  2. Step 2: Convert to fraction form
    30,588.20/45,766.36 = 18,114.92/x
  3. Step 3: Cross multiply
    30,588.20x = 45,766.36 × 18,114.92
  4. Step 4: Simplify right side
    30,588.20x = 829,053,950.09
  5. Step 5: Solve for x
    x = 829,053,950.09/30,588.20
  6. Step 6: Final answer
    x = 27,103.72

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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.