Home / 30,236.80-45,355.30-9,177.02

Finding the Fourth Proportional to 30,236.80, 45,355.30 and 9,177.02

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Solution

The fourth proportional to 30,236.80, 45,355.30 and 9,177.02 is: 13,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.80 : 45,355.30 = 9,177.02 : x
  2. Step 2: Convert to fraction form
    30,236.80/45,355.30 = 9,177.02/x
  3. Step 3: Cross multiply
    30,236.80x = 45,355.30 × 9,177.02
  4. Step 4: Simplify right side
    30,236.80x = 416,226,495.21
  5. Step 5: Solve for x
    x = 416,226,495.21/30,236.80
  6. Step 6: Final answer
    x = 13,765.56

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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.