Home / 51,459.24-77,194.30-16,390.68

Finding the Fourth Proportional to 51,459.24, 77,194.30 and 16,390.68

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Solution

The fourth proportional to 51,459.24, 77,194.30 and 16,390.68 is: 24,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.24 : 77,194.30 = 16,390.68 : x
  2. Step 2: Convert to fraction form
    51,459.24/77,194.30 = 16,390.68/x
  3. Step 3: Cross multiply
    51,459.24x = 77,194.30 × 16,390.68
  4. Step 4: Simplify right side
    51,459.24x = 1,265,267,069.12
  5. Step 5: Solve for x
    x = 1,265,267,069.12/51,459.24
  6. Step 6: Final answer
    x = 24,587.75

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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.