Home / 50,330.98-75,503.76-18,738.46

Finding the Fourth Proportional to 50,330.98, 75,503.76 and 18,738.46

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Solution

The fourth proportional to 50,330.98, 75,503.76 and 18,738.46 is: 28,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,330.98 : 75,503.76 = 18,738.46 : x
  2. Step 2: Convert to fraction form
    50,330.98/75,503.76 = 18,738.46/x
  3. Step 3: Cross multiply
    50,330.98x = 75,503.76 × 18,738.46
  4. Step 4: Simplify right side
    50,330.98x = 1,414,824,186.61
  5. Step 5: Solve for x
    x = 1,414,824,186.61/50,330.98
  6. Step 6: Final answer
    x = 28,110.40

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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.