Home / 40,503.16-60,754.74-12,799

Finding the Fourth Proportional to 40,503.16, 60,754.74 and 12,799

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Solution

The fourth proportional to 40,503.16, 60,754.74 and 12,799 is: 19,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503.16 : 60,754.74 = 12,799 : x
  2. Step 2: Convert to fraction form
    40,503.16/60,754.74 = 12,799/x
  3. Step 3: Cross multiply
    40,503.16x = 60,754.74 × 12,799
  4. Step 4: Simplify right side
    40,503.16x = 777,599,917.26
  5. Step 5: Solve for x
    x = 777,599,917.26/40,503.16
  6. Step 6: Final answer
    x = 19,198.50

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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.