Home / 51,218.87-70,641.99-33,319.62

Finding the Fourth Proportional to 51,218.87, 70,641.99 and 33,319.62

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Solution

The fourth proportional to 51,218.87, 70,641.99 and 33,319.62 is: 45,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.87 : 70,641.99 = 33,319.62 : x
  2. Step 2: Convert to fraction form
    51,218.87/70,641.99 = 33,319.62/x
  3. Step 3: Cross multiply
    51,218.87x = 70,641.99 × 33,319.62
  4. Step 4: Simplify right side
    51,218.87x = 2,353,764,262.84
  5. Step 5: Solve for x
    x = 2,353,764,262.84/51,218.87
  6. Step 6: Final answer
    x = 45,955.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.