Home / 30,517.53-45,783.29-11,797.72

Finding the Fourth Proportional to 30,517.53, 45,783.29 and 11,797.72

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Solution

The fourth proportional to 30,517.53, 45,783.29 and 11,797.72 is: 17,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.53 : 45,783.29 = 11,797.72 : x
  2. Step 2: Convert to fraction form
    30,517.53/45,783.29 = 11,797.72/x
  3. Step 3: Cross multiply
    30,517.53x = 45,783.29 × 11,797.72
  4. Step 4: Simplify right side
    30,517.53x = 540,138,436.10
  5. Step 5: Solve for x
    x = 540,138,436.10/30,517.53
  6. Step 6: Final answer
    x = 17,699.28

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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.