Home / 45,857.73-63,256.78-28,834.99

Finding the Fourth Proportional to 45,857.73, 63,256.78 and 28,834.99

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Solution

The fourth proportional to 45,857.73, 63,256.78 and 28,834.99 is: 39,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857.73 : 63,256.78 = 28,834.99 : x
  2. Step 2: Convert to fraction form
    45,857.73/63,256.78 = 28,834.99/x
  3. Step 3: Cross multiply
    45,857.73x = 63,256.78 × 28,834.99
  4. Step 4: Simplify right side
    45,857.73x = 1,824,008,618.73
  5. Step 5: Solve for x
    x = 1,824,008,618.73/45,857.73
  6. Step 6: Final answer
    x = 39,775.38

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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.