Home / 30,412.44-45,638.28-14,821.56

Finding the Fourth Proportional to 30,412.44, 45,638.28 and 14,821.56

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Solution

The fourth proportional to 30,412.44, 45,638.28 and 14,821.56 is: 22,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.44 : 45,638.28 = 14,821.56 : x
  2. Step 2: Convert to fraction form
    30,412.44/45,638.28 = 14,821.56/x
  3. Step 3: Cross multiply
    30,412.44x = 45,638.28 × 14,821.56
  4. Step 4: Simplify right side
    30,412.44x = 676,430,505.32
  5. Step 5: Solve for x
    x = 676,430,505.32/30,412.44
  6. Step 6: Final answer
    x = 22,241.90

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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.