Home / 30,318.30-45,477.45-15,522.30

Finding the Fourth Proportional to 30,318.30, 45,477.45 and 15,522.30

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Solution

The fourth proportional to 30,318.30, 45,477.45 and 15,522.30 is: 23,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.30 : 45,477.45 = 15,522.30 : x
  2. Step 2: Convert to fraction form
    30,318.30/45,477.45 = 15,522.30/x
  3. Step 3: Cross multiply
    30,318.30x = 45,477.45 × 15,522.30
  4. Step 4: Simplify right side
    30,318.30x = 705,914,622.14
  5. Step 5: Solve for x
    x = 705,914,622.14/30,318.30
  6. Step 6: Final answer
    x = 23,283.45

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Similar ratio
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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.