Home / 51,436.88-77,151.96-16,401.68

Finding the Fourth Proportional to 51,436.88, 77,151.96 and 16,401.68

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Solution

The fourth proportional to 51,436.88, 77,151.96 and 16,401.68 is: 24,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.88 : 77,151.96 = 16,401.68 : x
  2. Step 2: Convert to fraction form
    51,436.88/77,151.96 = 16,401.68/x
  3. Step 3: Cross multiply
    51,436.88x = 77,151.96 × 16,401.68
  4. Step 4: Simplify right side
    51,436.88x = 1,265,421,759.29
  5. Step 5: Solve for x
    x = 1,265,421,759.29/51,436.88
  6. Step 6: Final answer
    x = 24,601.45

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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.