Home / 50,985.36-76,478.04-15,927.78

Finding the Fourth Proportional to 50,985.36, 76,478.04 and 15,927.78

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Solution

The fourth proportional to 50,985.36, 76,478.04 and 15,927.78 is: 23,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.36 : 76,478.04 = 15,927.78 : x
  2. Step 2: Convert to fraction form
    50,985.36/76,478.04 = 15,927.78/x
  3. Step 3: Cross multiply
    50,985.36x = 76,478.04 × 15,927.78
  4. Step 4: Simplify right side
    50,985.36x = 1,218,125,395.95
  5. Step 5: Solve for x
    x = 1,218,125,395.95/50,985.36
  6. Step 6: Final answer
    x = 23,891.67

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Similar ratio
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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.