Home / 51,772.68-77,660.79-14,329.62

Finding the Fourth Proportional to 51,772.68, 77,660.79 and 14,329.62

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Solution

The fourth proportional to 51,772.68, 77,660.79 and 14,329.62 is: 21,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.68 : 77,660.79 = 14,329.62 : x
  2. Step 2: Convert to fraction form
    51,772.68/77,660.79 = 14,329.62/x
  3. Step 3: Cross multiply
    51,772.68x = 77,660.79 × 14,329.62
  4. Step 4: Simplify right side
    51,772.68x = 1,112,849,609.60
  5. Step 5: Solve for x
    x = 1,112,849,609.60/51,772.68
  6. Step 6: Final answer
    x = 21,494.92

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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.