Home / 30,654.72-45,991.33-10,934.80

Finding the Fourth Proportional to 30,654.72, 45,991.33 and 10,934.80

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Solution

The fourth proportional to 30,654.72, 45,991.33 and 10,934.80 is: 16,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.72 : 45,991.33 = 10,934.80 : x
  2. Step 2: Convert to fraction form
    30,654.72/45,991.33 = 10,934.80/x
  3. Step 3: Cross multiply
    30,654.72x = 45,991.33 × 10,934.80
  4. Step 4: Simplify right side
    30,654.72x = 502,905,852.97
  5. Step 5: Solve for x
    x = 502,905,852.97/30,654.72
  6. Step 6: Final answer
    x = 16,405.49

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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.