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Finding the Fourth Proportional to 60,314.98, 90,472.48 and 20,850.56

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Solution

The fourth proportional to 60,314.98, 90,472.48 and 20,850.56 is: 31,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,314.98 : 90,472.48 = 20,850.56 : x
  2. Step 2: Convert to fraction form
    60,314.98/90,472.48 = 20,850.56/x
  3. Step 3: Cross multiply
    60,314.98x = 90,472.48 × 20,850.56
  4. Step 4: Simplify right side
    60,314.98x = 1,886,401,872.59
  5. Step 5: Solve for x
    x = 1,886,401,872.59/60,314.98
  6. Step 6: Final answer
    x = 31,275.84

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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.