Home / 51,459.20-77,194.47-16,390.79

Finding the Fourth Proportional to 51,459.20, 77,194.47 and 16,390.79

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Solution

The fourth proportional to 51,459.20, 77,194.47 and 16,390.79 is: 24,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.20 : 77,194.47 = 16,390.79 : x
  2. Step 2: Convert to fraction form
    51,459.20/77,194.47 = 16,390.79/x
  3. Step 3: Cross multiply
    51,459.20x = 77,194.47 × 16,390.79
  4. Step 4: Simplify right side
    51,459.20x = 1,265,278,346.93
  5. Step 5: Solve for x
    x = 1,265,278,346.93/51,459.20
  6. Step 6: Final answer
    x = 24,587.99

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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.