Home / 51,631.11-77,250.99-30,582.45

Finding the Fourth Proportional to 51,631.11, 77,250.99 and 30,582.45

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Solution

The fourth proportional to 51,631.11, 77,250.99 and 30,582.45 is: 45,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,631.11 : 77,250.99 = 30,582.45 : x
  2. Step 2: Convert to fraction form
    51,631.11/77,250.99 = 30,582.45/x
  3. Step 3: Cross multiply
    51,631.11x = 77,250.99 × 30,582.45
  4. Step 4: Simplify right side
    51,631.11x = 2,362,524,539.13
  5. Step 5: Solve for x
    x = 2,362,524,539.13/51,631.11
  6. Step 6: Final answer
    x = 45,757.77

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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.