Home / 30,419.19-45,630.42-9,644.31

Finding the Fourth Proportional to 30,419.19, 45,630.42 and 9,644.31

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Solution

The fourth proportional to 30,419.19, 45,630.42 and 9,644.31 is: 14,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.19 : 45,630.42 = 9,644.31 : x
  2. Step 2: Convert to fraction form
    30,419.19/45,630.42 = 9,644.31/x
  3. Step 3: Cross multiply
    30,419.19x = 45,630.42 × 9,644.31
  4. Step 4: Simplify right side
    30,419.19x = 440,073,915.91
  5. Step 5: Solve for x
    x = 440,073,915.91/30,419.19
  6. Step 6: Final answer
    x = 14,466.98

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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.