Home / 30,839.40-46,230.75-11,113.13

Finding the Fourth Proportional to 30,839.40, 46,230.75 and 11,113.13

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Solution

The fourth proportional to 30,839.40, 46,230.75 and 11,113.13 is: 16,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.40 : 46,230.75 = 11,113.13 : x
  2. Step 2: Convert to fraction form
    30,839.40/46,230.75 = 11,113.13/x
  3. Step 3: Cross multiply
    30,839.40x = 46,230.75 × 11,113.13
  4. Step 4: Simplify right side
    30,839.40x = 513,768,450.32
  5. Step 5: Solve for x
    x = 513,768,450.32/30,839.40
  6. Step 6: Final answer
    x = 16,659.48

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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.