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Finding the Fourth Proportional to 30,606.76, 45,914.76 and 10,880.62

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Solution

The fourth proportional to 30,606.76, 45,914.76 and 10,880.62 is: 16,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.76 : 45,914.76 = 10,880.62 : x
  2. Step 2: Convert to fraction form
    30,606.76/45,914.76 = 10,880.62/x
  3. Step 3: Cross multiply
    30,606.76x = 45,914.76 × 10,880.62
  4. Step 4: Simplify right side
    30,606.76x = 499,581,055.95
  5. Step 5: Solve for x
    x = 499,581,055.95/30,606.76
  6. Step 6: Final answer
    x = 16,322.57

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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.