Home / 30,327.67-45,498.42-9,270.70

Finding the Fourth Proportional to 30,327.67, 45,498.42 and 9,270.70

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Solution

The fourth proportional to 30,327.67, 45,498.42 and 9,270.70 is: 13,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.67 : 45,498.42 = 9,270.70 : x
  2. Step 2: Convert to fraction form
    30,327.67/45,498.42 = 9,270.70/x
  3. Step 3: Cross multiply
    30,327.67x = 45,498.42 × 9,270.70
  4. Step 4: Simplify right side
    30,327.67x = 421,802,202.29
  5. Step 5: Solve for x
    x = 421,802,202.29/30,327.67
  6. Step 6: Final answer
    x = 13,908.16

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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.