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Finding the Fourth Proportional to 30,562.14, 45,836.18 and 8,377.24

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Solution

The fourth proportional to 30,562.14, 45,836.18 and 8,377.24 is: 12,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.14 : 45,836.18 = 8,377.24 : x
  2. Step 2: Convert to fraction form
    30,562.14/45,836.18 = 8,377.24/x
  3. Step 3: Cross multiply
    30,562.14x = 45,836.18 × 8,377.24
  4. Step 4: Simplify right side
    30,562.14x = 383,980,555.48
  5. Step 5: Solve for x
    x = 383,980,555.48/30,562.14
  6. Step 6: Final answer
    x = 12,563.93

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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.