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Finding the Fourth Proportional to 30,340.76, 45,511.13 and 9,565.88

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Solution

The fourth proportional to 30,340.76, 45,511.13 and 9,565.88 is: 14,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340.76 : 45,511.13 = 9,565.88 : x
  2. Step 2: Convert to fraction form
    30,340.76/45,511.13 = 9,565.88/x
  3. Step 3: Cross multiply
    30,340.76x = 45,511.13 × 9,565.88
  4. Step 4: Simplify right side
    30,340.76x = 435,353,804.60
  5. Step 5: Solve for x
    x = 435,353,804.60/30,340.76
  6. Step 6: Final answer
    x = 14,348.81

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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.