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Finding the Fourth Proportional to 30,402.77, 45,611.18 and 9,626.27

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Solution

The fourth proportional to 30,402.77, 45,611.18 and 9,626.27 is: 14,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.77 : 45,611.18 = 9,626.27 : x
  2. Step 2: Convert to fraction form
    30,402.77/45,611.18 = 9,626.27/x
  3. Step 3: Cross multiply
    30,402.77x = 45,611.18 × 9,626.27
  4. Step 4: Simplify right side
    30,402.77x = 439,065,533.70
  5. Step 5: Solve for x
    x = 439,065,533.70/30,402.77
  6. Step 6: Final answer
    x = 14,441.63

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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.