Home / 42,414.18-63,624.34-12,834.35

Finding the Fourth Proportional to 42,414.18, 63,624.34 and 12,834.35

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Solution

The fourth proportional to 42,414.18, 63,624.34 and 12,834.35 is: 19,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.18 : 63,624.34 = 12,834.35 : x
  2. Step 2: Convert to fraction form
    42,414.18/63,624.34 = 12,834.35/x
  3. Step 3: Cross multiply
    42,414.18x = 63,624.34 × 12,834.35
  4. Step 4: Simplify right side
    42,414.18x = 816,576,912.40
  5. Step 5: Solve for x
    x = 816,576,912.40/42,414.18
  6. Step 6: Final answer
    x = 19,252.45

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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.