Home / 30,218.38-45,328.71-11,494.91

Finding the Fourth Proportional to 30,218.38, 45,328.71 and 11,494.91

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Solution

The fourth proportional to 30,218.38, 45,328.71 and 11,494.91 is: 17,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.38 : 45,328.71 = 11,494.91 : x
  2. Step 2: Convert to fraction form
    30,218.38/45,328.71 = 11,494.91/x
  3. Step 3: Cross multiply
    30,218.38x = 45,328.71 × 11,494.91
  4. Step 4: Simplify right side
    30,218.38x = 521,049,441.87
  5. Step 5: Solve for x
    x = 521,049,441.87/30,218.38
  6. Step 6: Final answer
    x = 17,242.80

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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.