Home / 30,232.55-45,348.94-9,172.77

Finding the Fourth Proportional to 30,232.55, 45,348.94 and 9,172.77

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Solution

The fourth proportional to 30,232.55, 45,348.94 and 9,172.77 is: 13,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.55 : 45,348.94 = 9,172.77 : x
  2. Step 2: Convert to fraction form
    30,232.55/45,348.94 = 9,172.77/x
  3. Step 3: Cross multiply
    30,232.55x = 45,348.94 × 9,172.77
  4. Step 4: Simplify right side
    30,232.55x = 415,975,350.50
  5. Step 5: Solve for x
    x = 415,975,350.50/30,232.55
  6. Step 6: Final answer
    x = 13,759.19

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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.