Home / 44,517.03-66,759.53-12,920.51

Finding the Fourth Proportional to 44,517.03, 66,759.53 and 12,920.51

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Solution

The fourth proportional to 44,517.03, 66,759.53 and 12,920.51 is: 19,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,517.03 : 66,759.53 = 12,920.51 : x
  2. Step 2: Convert to fraction form
    44,517.03/66,759.53 = 12,920.51/x
  3. Step 3: Cross multiply
    44,517.03x = 66,759.53 × 12,920.51
  4. Step 4: Simplify right side
    44,517.03x = 862,566,776.56
  5. Step 5: Solve for x
    x = 862,566,776.56/44,517.03
  6. Step 6: Final answer
    x = 19,376.11

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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.