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Finding the Fourth Proportional to 30,295.80, 45,432.66 and 10,568.76

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Solution

The fourth proportional to 30,295.80, 45,432.66 and 10,568.76 is: 15,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.80 : 45,432.66 = 10,568.76 : x
  2. Step 2: Convert to fraction form
    30,295.80/45,432.66 = 10,568.76/x
  3. Step 3: Cross multiply
    30,295.80x = 45,432.66 × 10,568.76
  4. Step 4: Simplify right side
    30,295.80x = 480,166,879.70
  5. Step 5: Solve for x
    x = 480,166,879.70/30,295.80
  6. Step 6: Final answer
    x = 15,849.29

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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.