Home / 30,388.72-45,583.50-10,667.44

Finding the Fourth Proportional to 30,388.72, 45,583.50 and 10,667.44

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Solution

The fourth proportional to 30,388.72, 45,583.50 and 10,667.44 is: 16,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.72 : 45,583.50 = 10,667.44 : x
  2. Step 2: Convert to fraction form
    30,388.72/45,583.50 = 10,667.44/x
  3. Step 3: Cross multiply
    30,388.72x = 45,583.50 × 10,667.44
  4. Step 4: Simplify right side
    30,388.72x = 486,259,251.24
  5. Step 5: Solve for x
    x = 486,259,251.24/30,388.72
  6. Step 6: Final answer
    x = 16,001.31

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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.