Home / 34,374.39-51,459.51-18,744.63

Finding the Fourth Proportional to 34,374.39, 51,459.51 and 18,744.63

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Solution

The fourth proportional to 34,374.39, 51,459.51 and 18,744.63 is: 28,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,374.39 : 51,459.51 = 18,744.63 : x
  2. Step 2: Convert to fraction form
    34,374.39/51,459.51 = 18,744.63/x
  3. Step 3: Cross multiply
    34,374.39x = 51,459.51 × 18,744.63
  4. Step 4: Simplify right side
    34,374.39x = 964,589,474.93
  5. Step 5: Solve for x
    x = 964,589,474.93/34,374.39
  6. Step 6: Final answer
    x = 28,061.28

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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.