Home / 30,200.27-45,306.63-11,476.82

Finding the Fourth Proportional to 30,200.27, 45,306.63 and 11,476.82

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Solution

The fourth proportional to 30,200.27, 45,306.63 and 11,476.82 is: 17,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.27 : 45,306.63 = 11,476.82 : x
  2. Step 2: Convert to fraction form
    30,200.27/45,306.63 = 11,476.82/x
  3. Step 3: Cross multiply
    30,200.27x = 45,306.63 × 11,476.82
  4. Step 4: Simplify right side
    30,200.27x = 519,975,810.78
  5. Step 5: Solve for x
    x = 519,975,810.78/30,200.27
  6. Step 6: Final answer
    x = 17,217.59

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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.