Home / 30,056.80-45,044.16-11,317.99

Finding the Fourth Proportional to 30,056.80, 45,044.16 and 11,317.99

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Solution

The fourth proportional to 30,056.80, 45,044.16 and 11,317.99 is: 16,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.80 : 45,044.16 = 11,317.99 : x
  2. Step 2: Convert to fraction form
    30,056.80/45,044.16 = 11,317.99/x
  3. Step 3: Cross multiply
    30,056.80x = 45,044.16 × 11,317.99
  4. Step 4: Simplify right side
    30,056.80x = 509,809,352.44
  5. Step 5: Solve for x
    x = 509,809,352.44/30,056.80
  6. Step 6: Final answer
    x = 16,961.53

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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.